Rideau Valley Conservation Authority 3889 Rideau Valley Drive, Manotick, Ontario, Canada K4M 1A5 | 613-692-3571 | www.rvca.ca

Technical Memorandum Date: October 15, 2014 Subject: Flood and Generic Regulation Limits Mapping for Cardinal Creek

from Ottawa River to O’Toole Road, for the purposes of administering Ontario Regulation 174/06

Lead Investigator: Ferdous Ahmed, Ph.D., P.Eng. Senior Water Resources Engineer Contributing staff: Ahmed B. Ahmed, Engineering Assistant Patrick Larson, Senior Water Resources Technician Dave Crossman, GIS Coordinator Perry Ghioureliotis, GIS Specialist

Abstract

This report documents procedures that have been followed in producing 1:100 year flood lines and “regulation limits” for Cardinal Creek (see Figure 1) to support land use planning and development control in accordance with the provisions of the Natural Hazards policies of the Provincial Policy Statement under the Planning Act, and the administration and enforcement of RVCA regulations made under Section 28 of the Conservation Authorities Act (O.Reg 174/06). The flood line mapping has been completed in accordance with technical guidance for flood hazard delineation in Ontario as set out in the Ontario Ministry of Natural Resources Natural Hazards Technical Guides (MNR, 2002). The regulation limit mapping has been completed in accordance with Conservation Ontario (2005) guidelines and RVCA’s (2005) reference manual.

This report supersedes its earlier version (RVCA, March 2, 2012).

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1. Introduction

Until 2012, RVCA had not published regulatory (1:100 year) flood lines or

regulation limits within the Cardinal Creek watershed, which became a part of the

RVCA’s area of jurisdiction in the early 1990’s. Since 2004, when amendments to

Section 28 of the Conservation Authorities Act were enacted and the so-called “Generic

Regulation” (O.Reg. 97/04) was approved by the Provincial Government, the RVCA has

been gradually working to expand and update its collection of flood hazard and

regulation limits mapping, in order to achieve effective and consistent administration and

enforcement of its local regulations – O.Reg 174/06.

The City of Ottawa’s recently completed Cardinal Creek Subwatershed Study

presented an opportunity to expedite the plotting of regulation limits mapping for the

stream corridors and valleys of the Cardinal Creek watershed in two ways: (a)

hydrologic, hydraulic and geomorphological studies completed during the “existing

conditions” phase of the Subwatershed Study provide required background information

related to flood and erosion hazards, and (b) a portion of funding allocated to the City’s

Subwatershed Study was made available to enable the regulation limits mapping for

Cardinal Creek to be fast-tracked regardless of its status within RVCA-wide priorities for

flood line and regulation limits mapping.

During 2011-12, RVCA did the first flood and regulation mapping based on the

information available at that time (AECOM 2009), and summarized the work in a

technical report (RVCA, 2012) which was approved by the RVCA Board of Directors on

April 26th, 2012. Since then, the hydrologic analysis (AECOM 2012) and the

subwatershed report (AECOM 2014) have been updated, and were approved by the City

Council on May 14, 2014. This necessitated an update of the flood and regulation

mapping by RVCA too. Also, a number of site-specific studies have also been conducted,

which need to be accounted for in the regulation limit plotting.

Based on the topography and valley features, Cardinal Creek can be conveniently

divided into two reaches for the purpose of delineating regulation limits.

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The 6 km reach downstream of Innes Road is contained within an ‘apparent’

valley system, where slope stability is the dominant consideration for determining

potential hazard areas and corresponding regulation limits. Upstream of Innes Road, the

stream valleys are not well-defined, so the regulation limits are determined by the extent

of the flood plain or erosion hazard (meander belt width), whichever is greater. There are

some localized karst features near Watters Road. The regulation limits have been

determined by considering all existing hazards, namely, flood, slope stability, karst and

meander belt.

This report deals with these hazards sequentially, explaining how each of them

was dealt with for the study area.

The work reported here conforms to the generic regulation guidelines of

Conservation Ontario (2005), the natural hazards guidelines of MNR (2002) and the

RVCA reference manual1 (2005).

1 RVCA reference manual entitled “RVCA Methods for Delineation of Regulation Limits in Accordance with Ontario Regulation 97/04” (November 16, 2005) approved at RVCA Board of Directors’ meeting of November 24th, 2005 and based on the requirements set out in “Guidelines for Developing Schedules of Regulated Areas” approved by Conservation Ontario and Ontario Ministry of Natural Resources (October 2005).

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2. Study Area

The upstream study limit was essentially determined by the areal extent of the

available LiDAR data and the Digital Terrain Model (DTM) derived therefrom (see

Figures 1 and 2). The downstream study limit is Cardinal Creek’s confluence with the

Ottawa River. The following streams were included in this study (Figure 3):

• Cardinal Creek – from Ottawa River to O’Toole Road

• Garvock Drain

• Antonio Farley Drain

• Un-named Drain

The entire area mapped is within the City of Ottawa. There is no major settlement

upstream of Innes Road, only a few scattered rural residences. Downstream of Innes road

and abutting the west bank of Cardinal Creek, there are several urban subdivisions.

However, the entire area is expected to be urbanized in the near future. A community

design plan and related master servicing study have been approved by the City of Ottawa

for the proposed Cardinal Creek Village community on the east side of Cardinal Creek.

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3. Flood Risk Mapping

3.1 Hydrological Analysis

The last RVCA study was based on the hydrologic analysis contained in an older

report by AECOM (2009). Recently, AECOM (2012) conducted another thorough study

of the Cardinal Creek basin, which forms part of the updated subwatershed study

(AECOM 2014). A hydrological modeling exercise using the XPSWMM model was

conducted for the following scenarios:

• 1:100 year snow plus rain event

• 1:100 year rain event

• 1:5 year rain event

• 1:2 year rain event

• July 1979 storm event

The most important hydrological updates incorporated by AECOM (2012) into

their new model that had an impact on the results can be summarized as follows:

o Catchment areas were updated based on new topographic information.

o Time of concentration values were updated based on the Watt and Chow

method.

o Some modification on the Storm Water facility’s stage discharge

relationship was based on survey data.

o An assessment of the use of longer duration design storms was made.

These longer design storms seemed to produce higher flows than the

previous snow and rain event in some cases.

o Finally, the model included the proposed conditions scenarios for the

development of Cardinal Village.

The Regulatory Flood Standard in Eastern Ontario and the Rideau Valley is

established in Provincial Policy as “the 100 Year Flood Event Standard” which “means

rainfall or snowmelt, or a combination of rainfall and snowmelt producing at any location

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in a river, creek, stream or watercourse, a peak flow that has a probability of occurrence

of one per cent during any given year” (ref: Schedule 1 to O.Reg. 174/06).

For the area upstream of Waters Road, the 1:100 year snow event as computed in

the AECOM studies was found to produce higher flows than the 1:100 year rain event.

The 1:100 year snow event flows listed in Table 1 have been used here for the purpose of

flood plain delineation.

For the area downstream of Waters Road, the 24-hour Chicago storm events

produced the highest flows (Table 1) and were used for floodplain modeling.

In using the flows estimated by AECOM (2012) for floodplain mapping, we note

that the hydrologic analysis is more complicated and thus subject to the analyst’s

experience and judgment than hydraulic analysis. The FDRP Manual (MNR 1986) states

that the “hydrological science falls far short of a universal model that can be generally

recommended for all applications” and the manual “is not meant to be a list of mandatory

instruction”. Rather it serves to assist the experienced engineers in selection the most

appropriate methods, and gives a wide degree of latitude to the ‘professional engineer’.

The AECOM (2012) analysis was undertaken by a professional engineer,

incorporated the urban stormwater management, was calibrated using available data, and

was reviewed by the City of Ottawa staff. This analysis was well within the ‘latitude’

given to the engineer by FDRP Manual. We therefore concluded that the flows derived

from AECOM (2012) study are the best available information at this time and can be

used in hazard delineation by RVCA.

3.2 Data Used for Flood Hazard Mapping

Aerial photo: The DRAPE imagery was collected in May-July 2008 at a scale of

1:16667. This high quality coloured photo clearly shows the rivers, creeks, land use,

houses, buildings, roads, infrastructure, vegetation and other details.

DTM: The City of Ottawa derived a DTM from the LIDAR data acquired in April

20-22, 2007 (Figure 2). Contour lines were drawn at 0.5 m intervals with 0.25 m

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interpolated lines. This DTM exceeds the FDRP (1986) specifications and is therefore

suitable for flood mapping purposes.

Cross-Sections: River and flood plain cross-sections – the basic building blocks of

hydraulic models – were generated from the high quality DTM using standard HEC-

GeoRAS software (USACE, 2011). For the most part this procedure captured the

floodplain as well as most of the low flow channel in sufficient detail to be used in

floodplain mapping.

In some places along the Garvock Municipal Drain, the drain cross-sections as

captured by the LIDAR data deviated substantially from the original design presented in

the Engineer’s Report (McNeely, Lecompte & Associates Ltd, 1970). Here, we have used

the drain cross-section from the Engineer’s Report and the floodplain from LIDAR data,

in order to reflect the well-maintained size of the drain as originally intended.

Channel Roughness: Following standard procedures (Chow, 1959), the resistance

of the channel under possible high water conditions was estimated from aerial photos and

field inspections. In the upstream model, the Manning’s n value for main channel was

0.08 in for Cardinal creek and 0.035 for Antonio Farley and Garvock drains. For the

downstream model, a Manning’s n value of 0.035 was used for Cardinal Creek. In both

models, the floodplains were assigned a Manning’s n value of 0.05.

Bridges/Culverts: Available road crossing data is presented in Table 2 and

pictures of the structures are provided in Appendix C. Their physical dimensions and

other pertinent data were collected from earlier studies (AECOM, 2009) and from a

survey completed by City of Ottawa staff in October 2011. Additional structure

information was obtained during surveys conducted by RVCA staff in October and

November 2011 and in July 2014. Out of these, four culverts upstream of Watters Road

were used in the hydraulic model. The coefficients of contraction and expansion

associated with culverts were estimated from available information using standard

procedures (USACE, 1990, 2010). Downstream of Watters Road, two culverts and one

bridge-like structure (utility corridor crossing) were included in the hydraulic model.

There are three small farm crossings within the study area that were not included

in the hydraulic model because the necessary structural information was not available.

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The exclusion of these crossings is not expected to impact the location of the floodlines

to a great extent because of their small size; however if and when the crossings are

removed (due to new development or any other reason) the hydraulic modeling will have

to be reviewed and adjusted if necessary.

3.3 Hydraulic Modeling

Two separate hydraulic models were built – one upstream of Watters Road and

the other downstream. Because of the large drop in elevation at Watters Road (about 23

m), the two segments of the Cardinal Creek are hydraulically independent of each other

and thus can be modeled separately.

Upstream HEC-RAS Model

(Cardinal Creek from Watters Road to O’Toole Road and tributaries)

Following standard procedures (MNR, 1986; USACE, 1990, 2010), a steady-state

hydraulic model of Cardinal Creek and associated tributaries was built. The HEC-RAS

model (version 4.1.0) developed by the US Army Corps of Engineers (USACE, 2010)

was used. This has the same back water calculation procedure as HEC-2 (USACE, 1990)

which has been the industry standard since the 1970s, but with improved data processing

and graphical capabilities.

About 61 cross-sections were used in the model. Distances between sections

along the stream centre and left and right overbanks were calculated using HEC-GeoRAS

software (USACE, 2011). Bridges and culverts were inserted at appropriate locations.

Figures 4a and 4b show the modeled stream reaches and cross-sections.

The design flows listed in Table 1 were used in the model at appropriate locations

(Table 3). All five profiles – 100 year snow plus rain and the other four – were run in the

model.

The assumed water level at the stormwater management (SWM) facility just

upstream of Watters Road (cross-section 3759) is a boundary condition for the

computation of the upstream water surface profile, and for the various simulated events.

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The water levels were estimated by RVCA based on the Storm Water Facility Stage-

discharge curve that was provided by AECOM (2012), as summarized in Table 5. Using

the curve it was found that a 1:100 year rain and snowmelt flow value of 19.1 cms

corresponds to a water level value of 80.48m, which was used as a boundary condition in

the model.

All confluences were designated as internal junctions with matching water levels

in accordance with accepted procedures (USACE, 1990, 2010).

Once the model was set up, the computed profiles and other parameters were

scrutinized to assess the reasonableness of model outputs. Special attention was given to

the computed water level and energy profiles near bridges and culverts. Adjustments of

model parameters – mainly the channel resistance and contraction and expansion

coefficients – were made as necessary.

The computed water surface elevations and other parameters corresponding to the

1:100 year snow plus rain event are shown in Table 7. A few typical water surface

profiles and all cross-sections are included in Appendix A.

Computed water surface elevations for other flood events are presented in Table

9. It should be pointed out that the model has been built and tuned to simulate the 1:100

year flood levels; therefore the water surface elevations for other events – simulated

using the same parameters, especially the Manning’s n values – are only approximate.

This is because the river roughness varies with flow magnitude, with higher resistance

associated with lower flows.

Downstream HEC-RAS Model

(Cardinal Creek from Ottawa River to Watters Road)

A separate HEC-RAS model was built for the segment of the Cardinal Creek from

Watters Road to its confluence with Ottawa River. No tributary was included in the

model. The creek in this reach is entrenched in a deep valley.

About 43 cross-sections were used in the model. Distances between sections

along the stream centre and left and right overbanks were calculated using HEC-GeoRAS

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software (USACE, 2011). Bridges and culverts were inserted at appropriate locations.

Figure 4c shows the modeled stream reaches and cross-sections.

The design flows listed in Table 1 were used in the model at appropriate locations

(Table 4). All five profiles – 100 year snow plus rain and the other four – were run in the

model. It should be noted that the flows used in the downstream model correspond to 24-

hour Chicago storm events.

The water level of the Ottawa River at the confluence was used as the

downstream boundary condition for Cardinal Creek. Computed water levels of the

Ottawa River were taken from a recent study (RVCA, 2014), which are shown in Table 6.

The computed water surface elevations and other parameters corresponding to the

1:100 year rain event are shown in Table 8. A few typical water surface profiles and all

cross-sections are included in Appendix B. Computed water surface elevations for other

flood events are presented in Table 10.

3.4 Regulatory Flood Levels

As per Section 3 of the Provincial Policy Statement under the Planning Act

(MMAH, 2005, 2014), the regulatory flood in Zone 2, which includes the RVCA, is the

1:100 year flood, as noted previously. The HEC-RAS model output includes a computed

“water surface elevation” and a computed “energy grade elevation” for each modeled

cross-section. At most cross-sections the difference between computed water surface

elevation and energy grade elevation is small (in the order of a few centimetres).

However, near bridges, culverts and other water control structures, where the

simulated stream velocities are relatively high, the computed water surface elevation may

be substantially lower than the energy grade. In addition, the downstream model includes

some relatively steep slopes in some sections, the HEC-RAS manual indicates that there

is an inherent error in the computation of the water level surface for river channels that

have slope that is larger than 1:10 (USACE, 2010). For that reason and given the inherent

margins of error in all computer simulations, it is common practice to adopt the energy

grade elevation as the Regulatory Flood Level (RFL) at such locations. It is noted that

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none of the roads were overtopped during the 1:100 year event. The computed head

losses at the road crossings are listed in Tables 11 and 12.

For this study, we have taken the energy grade as the RFL (Tables 7 and 8) at all

cross-sections.

3.5 Flood Line Delineation

Once the RFLs are established, the plotting of 1:100 year flood lines or flood risk

limits is a relatively straightforward matter. Given the topographical information in the

form of LIDAR points and 0.25 m contour lines, the inundated area below the RFLs can

be easily delineated manually or by using automated computer programs. In the present

case, the process was mostly automated. A model was constructed in ArcGIS that applies

the appropriate water levels at the cross sections and interpolates the water levels in

between based on the DTM. The water levels were then manually edited in few sections

where the automation output seemed to be inaccurate.

Traditional flood plain maps were not produced for this study. Instead flood lines

are shown on standard regulation maps of RVCA. Four such maps (No. 4, 5, 11 and 12)

cover the study area and are included with this report. Once finalized, floodlines are

included as shapefiles within the RVCA’s Geographical Information System.

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4. Slope Stability

Downstream of Innes Road, Cardinal Creek is contained within a well-defined

valley system with relatively steep slopes along the main stem of Cardinal Creek and its

tributaries.

Surficial deposits of sensitive marine clays occur throughout the watershed,

requiring that a conservative 5:1 (horizontal:vertical) slope inclination be applied to

determine the stable slope allowance for regulation limit plotting. The RVCA (2005)

reference manual was again followed to determine the regulation limits (see Figure 5 for

the decision tree).

Where the distance from toe of slope to existing stream bank (water’s edge) is

presently less than 15 metres, it was conservatively assumed that the stream may be

actively eroding and a 15 metre toe erosion allowance was applied at the bottom of the

slope, as indicated in Figure 7. Where the distance from stream to toe of slope is greater

than 15 metres, the stable slope allowance is applied from the present position of the toe

of slope. Where the valley wall slope is less steep than 5:1 (horizontal:vertical) the

regulation limits were positioned 15 metres upland from the existing crest of slope

(RVCA, 2005). It should be emphasized that the regulation limits established by these

criteria are a conservative approximation of the areas that may be vulnerable to erosion

and slope failure risks. They will be used to define areas where RVCA permission under

O.Reg, 174/06 is required for development and site alteration, and where permission may

be granted provided that applications for permission are supported by site specific

geotechnical investigations completed to established standards by qualified professional

engineers.

Where they were available, detailed site specific information from previous

geotechnical investigations supporting approved plans of subdivision or infrastructure

projects has been used in lieu of the conservative criteria described above, to establish the

areas that should be considered vulnerable to slope instability. In particular, the

regulation lines were adjusted according to the findings of Slope Stability Evaluations

and Geotechnical Investigations for two housing developments along Cardinal Creek and

for proposed improvements to Watters Road (Golder, 2001, 2002, 2003, 2004) as well as

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the geotechnical investigation for the proposed Cardinal Creek Village north of Old

Montreal Road, and the Boulet subdivision south of Old Montreal road (Paterson, 2011a,

2011b, 2013, 2014).

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5. Karst Features

Near Watters Road (Figure 6), karst features have been identified by Speltech

(1991) and Golder (1991). Karst features result when soluble bedrock dissolves when in

contact with flowing water, gradually forming underground channels and cavities within

the rock formation. At the Watters Road location, Cardinal Creek flows through such

underground passageways, entering at the top and emerging at the base of a partially

buried bedrock escarpment. Conservation Ontario (2005) guidelines refer to karsts (a

particular form of unstable bedrock) within the hazard delineation framework. They are

considered natural hazards in the sense that they present particular challenges in the

design and construction of buildings and infrastructure, and should be recognized in land

use planning and approval processes accordingly.

In the case of Cardinal Creek, the karstic area is localized, relatively small and

consists of both surface and subsurface channels within the bedrock. As can be seen in

Figure 6, the identified karstic area is within the slope stability limits. Therefore, the

regulation limits are determined by the slope stability at this locale, and the karsts have

not influenced the positioning of regulation limits in this case.

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6. Meander Belt

Site-specific geomorphological assessment studies provide the best information

for estimating meander belt criteria. In the absence of such studies, Conservation Ontario

(2005) and the MNR Natural hazards Guides (MNR, 2002) recommend 20 times the

bankfull width as a conservative value for the estimated meander belt width, in stream

systems which exhibit a meandering behaviour driven by fluvial geomorphological

processes. A detailed geomorphological study of Cardinal Creek was undertaken by

Geomorphic Solutions (2007) as a component of the Cardinal Creek Subwatershed Study.

Their study determined the meander belt width of Cardinal Creek and tributaries, based

on direct measurements from aerial photographs and topographical mapping. These

finding have been adopted for the purposes of RVCA’s regulation mapping.

Typical meander belt widths varied from 34 to 59 m for the main stem of Cardinal

Creek upstream of Innes Road.

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7. Regulation Limit of Cardinal Creek

In keeping with the Generic Regulation (O.Reg. 97/04), regulation limits are to be

delineated based on the natural hazard (flooding erosion, unstable soil or bedrock) or

feature (wetland, lakeshore or valley) with the largest upland extent, including applicable

allowances. Using the limits of various hazards as described above, the regulation limits

have been plotted along the Cardinal Creek corridor (see RVCA Regulation Map No. 4,

5, 11 and 12). These maps show the regulation limits as well as other pertinent hazard

limits.

Upstream of Innes Road, flood risk and meander belt lines govern the location of

regulation limits. Downstream, the slope stability line dominates. The karst features were

always within the slope stability lines, and therefore did not influence the positioning of

the regulation limit.

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8. Project Deliverables

The end products of this project are:

1. The Flood/Regulation Mapping Report (the current memo)

2. The flood risk limit lines in GIS format

3. The regulation limit lines in GIS format

4. The RVCA Regulation Limit Map Sheets, No. 4, 5, 11 and 12

These will be shared with the City of Ottawa with project completion.

The report will also be published by RVCA and will be available on the RVCA

website. RVCA regulation limit maps are always available upon request. The HEC-RAS

model files will be preserved by RVCA and will be given to any party upon singing a

standard data sharing agreement.

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9. Closure

This report supersedes its earlier version (RVCA, March 2, 2012).

The engineering and cartographic procedures used in this study conform to

present day standards of hazard delineation for identifying areas that are subject to the

requirements of Regulations made under section 28 of the Conservation Authorities Act,

as per the MNR’s Natural Hazards Technical Guide (MNR, 2002) and Conservation

Ontario (2005) guidelines. The resulting 1:100 year flood risk lines and regulation limit

lines are suitable for use in the RVCA’s regulation administration and in municipal land

use planning and development approval processes under the Planning Act.

Ferdous Ahmed, Ph.D., P.Eng.

Senior Water Resources Engineer

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References:

1. AECOM (2009). Greater Cardinal Creek Subwatershed Study – Existing

Conditions Report, prepared for the City of Ottawa by AECOM Canada Ltd.,

Markham, Ontario, August 2009.

2. AECOM (2012). Greater Cardinal Creek Subwatershed Plan Hydrology Update,

prepared by Janelle Weppler, P.Eng. of AECOM Canada Ltd., Markham, Ontario,

November 4, 2012. [Appendix C of AECOM (2014)]

3. AECOM (2014). Greater Cardinal Creek Subwatershed Management Plan,

prepared for the City of Ottawa by AECOM Canada Ltd., Markham, Ontario,

May 2014

4. CCL (2001). Cardinal Creek – Stormwater management Facility – Cumberland

Ward Contract No. ETL01-2129, prepared by Cumming Cockburn Limited, June

2001.

5. Chow, V. T. (1959). Open-Channel Hydraulics. McGraw-Hill, New York, NY.

6. Conservation Ontario (2005). Guidelines for Developing Schedules of Regulated

Areas. October 2005.

7. Geomorphic Solutions (2007). Cardinal Creek – Geomorphic Assessment,

prepared for the City of Ottawa by Geomorphic Solutions, April 2007.

8. Golder (1991). Geotechnical Evaluation – Cardinal Creek Karst Area Watters

Road. Golder Associates Ltd., Ottawa, June 1991.

9. Golder (2001). Slope Stability Evaluation, Proposed Housing Development,

Cardinal Creek, Ottawa, Ontario, prepared by Golder Associates Ltd., October 10,

2001.

10. Golder (2002). Slope Stability Evaluation, Proposed Housing Development,

Watters Road, Ottawa, Ontario, prepared by Golder Associates Ltd., August 2002.

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11. Golder (2003). Geotechnical Investigation, Proposed Watermain and

Reconstruction of Watters Road, Ottawa, Ontario, prepared by Golder Associates

Ltd., December 2003.

12. Golder (2004). Slope Stability Evaluation, Watters Road, Ottawa, Ontario,

prepared by Golder Associates Ltd., February 2004.

13. McNeely, Lecompte & Associates Ltd. (1970). Report on the Maintenance of the

Garvock Municipal Drain for the Township of Cumberland by McNeely,

Lecompte & Associates Ltd., August 1970.

14. MMAH (2005). 2005 Provincial Policy Statement. Ontario Ministry of Municipal

Affairs and Housing, Queen’s Printer, Toronto, Ontario, 2005.

15. MMAH (2014). 2014 Provincial Policy Statement. Ontario Ministry of Municipal

Affairs and Housing, Toronto, Ontario, 30 April 2014.

16. MNR (1986). Flood Plain Management in Ontario – Technical Guidelines.

Ontario Ministry of Natural Resources, Conservation Authorities and Water

Management Branch, Toronto.

17. MNR (2002). Technical Guide – River & Stream systems: Flooding Hazard

Limit. Ontario Ministry of Natural Resources, Water Resources Section,

Peterborough, Ontario.

18. Paterson (2011a). Technical drawing “Test hole location plan” Drawing number

PG2044-2R, Report number PG2044-2, Scale 1:1000, Paterson Group, Ottawa,

April 2011.

19. Paterson (2011b). Geotechnical report on Cardinal Creek, South of Old Montreal

Road, Boulet subdivision. Report number PG2044-3, Paterson group, Ottawa,

August 2011.

20. Paterson (2013). Geotechnical investigation, proposed Cardinal Village

residential/commercial development, Old Montreal Road, Ottawa, Ontario.

Produced for the Tamarack (Queen Street) Corp, Report number PG1796-3,

Prepared by Paterson Group, Ottawa, September 2013.

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21. Paterson (2014). Technical drawings “Limit of Hazard Land” Drawing numbers

PG1796-8A PG1796-8B and PG1796-8C, Scale 1:1500, Revision 4, last update

22/09/2014. Paterson Group, Ottawa, September 2014.

22. RVCA (2005). RVCA Methods for Delineation of Regulation Limits in

Accordance with Ontario Regulation 97/04. Rideau Valley Conservation

Authority, Manotick, Ontario, 16 November 2005.

23. RVCA (2012). Flood and Generic Regulation Limits Mapping for Cardinal Creek

from Ottawa River to O’Toole Road, for the purposes of administering Ontario

Regulation 174/06. Rideau Valley Conservation Authority, Manotick, Ontario, 2

March 2012. [now superseded]

24. RVCA (2014). Ottawa River Flood Risk Mapping from Shirley’s Bay to

Cumberland. Rideau Valley Conservation Authority, Manotick, Ontario. [in

preparation]

25. Speltech (1991). The Cumberland Cave and Karst System – A Geological and

Geomorphological Study, Speltech Inc., Montreal, March 1991.

26. USACE (1990). HEC-2 – Water Surface Profiles – User’s Manual. US Army

Corps of Engineers, Hydrologic Engineering Center, Davis, CA, September 1990.

27. USACE (2010). HEC-RAS – River Analysis System – Hydraulic Reference

Manual version 4.1.0, US Army Corps of Engineers, Hydrologic Engineering

Center, Davis, CA, January 2010.

28. USACE (2011). HEC-GeoRAS – GIS Tools for Support of HEC-RAS Using

ArcGIS – User’s Manual Version 4.3.93, US Army Corps of Engineers,

Hydrologic Engineering Center, Davis, CA, February 2011.

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Table 1 Estimated flood flows

Flow Point

Stream/Reach Drainage Area (ha)

Chicago Distribution 24hr Flow (cms)

SCS Type II Distribution 24hr Flow (cms)

Flow (cms)

Flow (cms)

Source

2-year rain

5-year rain

100-year rain

2-year rain

5-year rain

100-year rain

Snow 100-year

event

July 1979 event

O Cardinal Creek/Reach 1 3458 9.60 15.50 30.90 9.60 15.40 30.60 24.70 32.70 AECOM 2012 1

H Cardinal Creek/Reach 1 3280 8.80 13.70 26.50 8.70 13.60 26.00 22.10 27.90 AECOM 2012 1

G Cardinal Creek/Reach 1 3051 7.60 11.70 21.50 7.50 11.50 21.40 19.10 22.00 AECOM 2012 1

F Cardinal Creek/Reach 1 3031 7.50 11.60 21.40 7.50 11.40 21.40 19.10 21.80 AECOM 2012 1

D Cardinal Creek/Reach 2 2356 3.90 6.90 16.60 4.00 7.10 16.50 17.20 17.70 AECOM 2012 1

C Cardinal Creek/Reach 2 1973 2.30 4.20 11.10 2.50 4.50 11.70 14.20 12.10 AECOM 2012 1

B Cardinal Creek/Reach 2 1526 1.40 2.40 6.10 1.50 2.60 6.50 7.60 5.30 AECOM 2012 1

A Cardinal Creek/Reach 3 756 0.60 1.00 2.60 0.60 1.10 2.80 4.00 2.20 AECOM 2012 1

A1 Cardinal Creek/Reach 3 869 0.92 1.57 4.00 0.98 1.71 4.26 4.98 3.48 Area Pro-rated 2

B1 Un-named branch/Reach 1 656 0.74 1.27 3.24 0.80 1.38 3.45 4.04 2.82 Area Pro-rated 2

B2 Antonio Farley drain/Reach 1 300 0.41 0.71 1.80 0.44 0.77 1.92 2.24 1.56 Area Pro-rated 2

B3 Garvock municipal drain/Reach 1 256 0.37 0.63 1.60 0.39 0.68 1.71 1.99 1.39 Area Pro-rated 2

1) Taken from Tables 2.2 and 2.3 "Greater Cardinal Creek Subwatershed Plan Hydrology Update" (AECOM, November 2012) 2) Estimated by RVCA based on Figure 1 of "Greater Cardinal Creek Subwatershed Plan Hydrology Update" (AECOM, November 2012)

3) The governing 100 year flows are highlighted in Yellow and were used in the HEC-RAS model. 4) The governing 5 year flows are highlighted in Orange and were used in the HEC-RAS model. 5) The governing 2 year flows are highlighted in Green and were used in the HEC-RAS model.

Cardinal2014.doc 10/15/2014 11:15:34 AM Page 22

Table 2 Bridges and culverts

Stream/Reach Location Bridge/Culvert

Chainage Bounding Cross

Sections

Upstream Invert

Downstream Invert

Upstream Obvert 1

Downstream Obvert 1 Width 3 Height 2 Length 3

(m) (m) (m) (m) (m) (m) (m) (m)

Cardinal/Reach 1 Regional Road. 174 C 1035 1 & 48 39.66 39.44 42.70 42.48 6 3.04 46

Cardinal/Reach 1 Utility corridor

C 2140 1164 & 1131 42.10 41.32 47.10 2 46.32 2 5 2 5.00 30 5

Cardinal/Reach 1 Old Montreal Road

C 3350 2379 & 2336 49.80 49.86 54.80 54.86 5 4 4.60 4 25

Cardinal/Reach 1 Watters Road

C 4580 3594 & 3578 78.61 78.60 81.55 81.54 4 2.94 7

Cardinal/Reach 2 Innes Road

C 7290 7307 & 7273 80.06 80.06 83.01 83.01 4 2.95 25

Cardinal/Reach 2 Frank Kenny Road

C 7570 7587 & 7555 80.34 80.34 82.54 82.54 6 2.20 18

Cardinal/Reach 3 O'Toole Road

C 9600 9648 & 9582 83.94 83.96 86.49 86.51 5 2.55 17

Gravock/Reach 1 O'Toole Road

C 390 408 & 340 84.35 84.35 85.35 85.35 1

diameter - 12

1) City of Ottawa survey October 2011 2) RVCA Survey on October 14th 2011 and November 4th 2011

3) Taken from Table 2.2 page 27 "Greater Cardinal Creek Subwatershed Study Existing conditions report" (AECOM, August 2009) 4) City of Ottawa drawing "Old Montreal road (SN897220) Culvert renewal". Issued for circulation November 2013

5) Estimated from aerial photography

Cardinal2014.doc 10/15/2014 11:15:34 AM Page 23

Table 3 Design flows in HEC-RAS model Cardinal Creek from Watters Road to O'Toole Road (SCS type II distribution)

River/Creek Reach River Station Flows (cms)

100 year

Snow 1979 event

100 year rain 5 year rain 2 year rain

Cardinal Creek Reach 2 8636 14.20 12.10 11.70 4.50 2.50

Cardinal Creek Reach 2 8368 14.20 12.10 11.70 4.50 2.50

Cardinal Creek Reach 2 7273 17.20 17.70 16.50 7.10 4.00

Cardinal Creek Reach 2 6192 19.10 21.80 21.40 11.40 7.50

Cardinal Creek Reach 3 9778 4.98 3.48 4.26 1.71 0.98

Un-named Reach 1 672 4.04 2.82 3.45 1.38 0.80

Garvock Reach 1 494 1.99 1.39 1.71 0.68 0.39

Antonio Farley Reach 1 657 2.24 1.56 1.92 0.77 0.44

Table 4 Design flows in HEC-RAS model Cardinal Creek from Ottawa River to Watters Road (Chicago Distribution)

River/Creek Reach River Station Flows (cms)

100 year

Snow 1979 event

100 year rain 5 year rain 2 year rain

Cardinal Creek Reach 1 4578 19.10 22.00 21.50 11.70 7.60

Cardinal Creek Reach 1 3931 22.10 27.90 26.50 13.70 8.80

Cardinal Creek Reach 1 3379 24.70 32.70 30.90 15.50 9.60

Cardinal2014.doc 10/15/2014 11:15:34 AM Page 24

Table 5 Downstream boundary condition at Waters Road Stormwater Pond

Event Flow of Cardinal Creek at

point "F"

Water Surface Elevations at

the Pond (m) 1 (cms)

100 year S+R 19.10 80.48

1979 event 21.80 80.75

100 year rain 21.40 70.70

5 year rain 11.40 79.75

2 year rain 7.50 79.36

1) Estimated by RVCA from the CCOM On-Line Facility Stage-Discharge curve (August 2012)

Table 6 Downstream boundary condition at Ottawa River

Event

Flow at Ottawa River (cross-section 1015)

Corresponding Water Levels

(m) Source (cms)

100 year Snow 9240 44.92 RVCA1

1979 event 1730 42.82 Estimated

100 year rain 9240 44.92 RVCA1

5 year rain 6280 43.44 RVCA1

2 year rain 5160 42.82 RVCA1

1) RVCA (2014). Ottawa River Flood Risk Mapping from Shirley's Bay to Cumberland (draft)

Cardinal2014.doc 10/15/2014 11:15:34 AM Page 25

Table 7 Regulatory Flood Levels for 100 Year Rain and Snow Event (Cardinal Creek from Watters Road to O'Toole Road)

Stream Reach River Station Q (total) Computed WSEL EGL RFL

(m) (cms) (m) (m) (m)

Car

dina

l Cre

ek

Reach 2 3759 19.10 81.00 81.00 81.00 Reach 2 3995 19.10 81.00 81.01 81.01 Reach 2 4247 19.10 81.01 81.01 81.01 Reach 2 4476 19.10 81.02 81.02 81.02 Reach 2 4781 19.10 81.03 81.03 81.03 Reach 2 4995 19.10 81.04 81.04 81.04 Reach 2 5278 19.10 81.05 81.06 81.06 Reach 2 5620 19.10 81.08 81.09 81.09

Reach 2 5945 19.10 81.14 81.14 81.14 Reach 2 6192 19.10 81.26 81.27 81.27 Reach 2 6546 17.20 81.52 81.53 81.53 Reach 2 6847 17.20 81.80 81.82 81.82 Reach 2 7068 17.20 82.10 82.12 82.12 Reach 2 7217 17.20 82.27 82.28 82.28 Reach 2 7273 17.20 82.27 82.49 82.49 Reach 2 7290 Innes Road Reach 2 7307 14.20 82.39 82.56 82.56 Reach 2 7379 14.20 82.64 82.64 82.64 Reach 2 7490 14.20 82.69 82.71 82.71 Reach 2 7513 14.20 82.73 82.75 82.75 Reach 2 7555 14.20 82.80 82.86 82.86 Reach 2 7570 Frank Kenny Road Reach 2 7587 14.20 82.84 82.90 82.90 Reach 2 7647 14.20 82.96 82.97 82.97 Reach 2 7739 14.20 83.03 83.04 83.04 Reach 2 7920 14.20 83.14 83.14 83.14 Reach 2 8230 14.20 83.33 83.35 83.35 Reach 2 8368 14.20 83.54 83.58 83.58 Reach 2 8491 14.20 83.70 83.71 83.71 Reach 2 8636 14.20 83.84 83.88 83.88 Reach 3 8721 4.98 84.07 84.07 84.07 Reach 3 8791 4.98 84.16 84.17 84.17 Reach 3 8881 4.98 84.28 84.29 84.29 Reach 3 9042 4.98 84.47 84.48 84.48 Reach 3 9109 4.98 84.61 84.63 84.63 Reach 3 9127 4.98 84.73 84.79 84.79 Reach 3 9258 4.98 85.43 85.45 85.45 Reach 3 9438 4.98 85.72 85.73 85.73 Reach 3 9582 4.98 85.88 85.90 85.90 Reach 3 9600 O'Toole Road Reach 3 9648 4.98 85.89 85.91 85.91

Cardinal2014.doc 10/15/2014 11:15:34 AM Page 26

Reach 3 9778 4.98 86.11 86.12 86.12

Un-

nam

ed

Reach1 25 4.04 83.93 83.94 83.94 Reach1 82 4.04 84.02 84.04 84.04 Reach1 201 4.04 84.41 84.43 84.43 Reach1 354 4.04 84.74 84.76 84.76 Reach1 448 4.04 84.90 84.91 84.91 Reach1 477 4.04 84.95 84.95 84.95 Reach1 588 4.04 85.24 85.27 85.27

Reach1 672 4.04 85.54 85.55 85.55

Gar

vock

Reach 1 22 1.99 85.56 85.57 85.57 Reach 1 124 1.99 85.60 85.62 85.62 Reach 1 249 1.99 85.74 85.76 85.76 Reach 1 340 1.99 85.82 85.89 85.89 Reach 1 390 O'Toole Road Reach 1 408 1.99 86.61 86.66 86.66

Reach 1 494 1.99 86.67 86.67 86.67

Ant

onio

Far

ley

Reach 1 12 2.24 85.55 85.57 85.57 Reach 1 96 2.24 85.63 85.66 85.66 Reach 1 138 2.24 85.71 85.74 85.74 Reach 1 217 2.24 85.90 85.93 85.93 Reach 1 241 2.24 85.95 86.02 86.02 Reach 1 332 2.24 86.32 86.35 86.35 Reach 1 499 2.24 86.74 86.78 86.78

Reach 1 657 2.24 87.10 87.13 87.13

Cardinal2014.doc 10/15/2014 11:15:34 AM Page 27

Table 8 Regulatory Flood Levels for 100 Year Rain Event (Cardinal Creek from Ottawa River to Watters Road)

Stream

Reach River Station Q (total) Computed WSEL EGL RFL

(m) (cms) (m) (m) (m)

Car

dina

l Cre

ek

Reach 1 600 30.90 44.92 44.92 44.92

Reach 1 800 30.90 44.92 44.92 44.92

Reach 1 1000 30.90 44.92 44.92 44.92

Reach 1 1035 Regional Road. 174

Reach 1 1048 30.90 45.05 45.10 45.10

Reach 1 1121 30.90 45.10 45.10 45.10

Reach 1 1211 30.90 45.10 45.10 45.10

Reach 1 1334 30.90 45.10 45.10 45.10

Reach 1 1442 30.90 45.10 45.10 45.10

Reach 1 1599 30.90 45.10 45.11 45.11

Reach 1 1701 30.90 45.10 45.11 45.11

Reach 1 1843 30.90 45.11 45.11 45.11

Reach 1 1970 30.90 45.11 45.12 45.12

Reach 1 2070 30.90 45.12 45.12 45.12

Reach 1 2131 30.90 45.06 45.18 45.18

Reach 1 2140 Utility Corridor

Reach 1 2164 30.90 45.21 45.33 45.33

Reach 1 2226 30.90 45.34 45.35 45.35

Reach 1 2281 30.90 45.34 45.35 45.35

Reach 1 2369 30.90 45.35 45.36 45.36

Reach 1 2511 30.90 45.36 45.36 45.36

Reach 1 2672 30.90 45.36 45.38 45.38

Reach 1 2751 30.90 45.37 45.48 45.48

Reach 1 2876 30.90 45.71 45.85 45.85

Reach 1 2940 30.90 48.36 48.69 48.69

Reach 1 3011 30.90 52.22 52.64 52.64

Reach 1 3105 30.90 52.97 53.14 53.14

Reach 1 3194 30.90 53.25 53.36 53.36

Reach 1 3293 30.90 53.46 53.50 53.50

Reach 1 3336 30.90 53.44 53.59 53.59

Reach 1 3350 Old Montreal Road

Reach 1 3379 30.90 53.54 53.67 53.67

Reach 1 3460 26.50 53.71 53.73 53.73

Reach 1 3535 26.50 53.76 53.79 53.79

Reach 1 3604 26.50 53.96 54.24 54.24

Cardinal2014.doc 10/15/2014 11:15:34 AM Page 28

Reach 1 3713 26.50 55.14 55.34 55.34

Reach 1 3795 26.50 55.58 55.67 55.67

Reach 1 3931 26.50 55.96 56.06 56.06

Reach 1 4133 21.50 56.53 56.62 56.62

Reach 1 4230 21.50 56.79 56.87 56.87

Reach 1 4281 21.50 66.26 66.66 66.66

Reach 1 4329 21.50 66.90 67.03 67.03

Reach 1 4399 21.50 67.20 67.25 67.25

Reach 1 4465 21.50 69.85 70.27 70.27

Reach 1 4533 21.50 78.01 78.42 78.42

Reach 1 4578 21.50 79.31 79.66 79.66

Cardinal2014.doc 10/15/2014 11:15:34 AM Page 29

Table 9 Computed Water Surface Elevations for Different Flood Events

(Cardinal Creek from Watters Road to O'Toole Road)

Stream

Reach River

Station Flow (cms) and Computed WSEL (m) for Different Flood Events

(m) Q100 R+S

WL100 R+S

Q1979 event

WL1979 event Q100 R WL100 R Q5 R WL5 R Q2 R WL2 R

Car

dina

l Cre

ek

Reach 2 3759 19.10 81.00 21.80 80.70 21.40 80.00 11.40 78.50 7.50 78.01 Reach 2 3995 19.10 81.00 21.80 80.71 21.40 80.03 11.40 78.81 7.50 78.65

Reach 2 4247 19.10 81.01 21.80 80.72 21.40 80.06 11.40 78.98 7.50 78.80 Reach 2 4476 19.10 81.02 21.80 80.74 21.40 80.11 11.40 79.11 7.50 78.90 Reach 2 4781 19.10 81.03 21.80 80.76 21.40 80.16 11.40 79.31 7.50 79.10

Reach 2 4995 19.10 81.04 21.80 80.78 21.40 80.21 11.40 79.49 7.50 79.31 Reach 2 5278 19.10 81.05 21.80 80.81 21.40 80.32 11.40 79.76 7.50 79.58 Reach 2 5620 19.10 81.08 21.80 80.87 21.40 80.51 11.40 80.11 7.50 79.95

Reach 2 5945 19.10 81.14 21.80 80.99 21.40 80.80 11.40 80.49 7.50 80.33 Reach 2 6192 19.10 81.26 21.80 81.22 21.40 81.15 11.40 80.83 7.50 80.66 Reach 2 6546 17.20 81.52 17.70 81.54 16.50 81.50 7.10 81.14 4.00 80.94

Reach 2 6847 17.20 81.80 17.70 81.82 16.50 81.78 7.10 81.39 4.00 81.17 Reach 2 7068 17.20 82.10 17.70 82.12 16.50 82.08 7.10 81.64 4.00 81.38 Reach 2 7217 17.20 82.27 17.70 82.29 16.50 82.24 7.10 81.80 4.00 81.54

Reach 2 7273 17.20 82.27 17.70 82.29 16.50 82.25 7.10 81.87 4.00 81.62 Reach 2 7290 Innes Road Reach 2 7307 14.20 82.39 12.10 82.45 11.70 82.39 4.50 81.91 2.50 81.63

Reach 2 7379 14.20 82.64 12.10 82.62 11.70 82.56 4.50 81.98 2.50 81.69 Reach 2 7490 14.20 82.69 12.10 82.66 11.70 82.61 4.50 82.03 2.50 81.74 Reach 2 7513 14.20 82.73 12.10 82.69 11.70 82.64 4.50 82.05 2.50 81.75

Reach 2 7555 14.20 82.80 12.10 82.75 11.70 82.70 4.50 82.09 2.50 81.79 Reach 2 7570 Frank Kenny Road Reach 2 7587 14.20 82.84 12.10 82.78 11.70 82.73 4.50 82.10 2.50 81.79

Reach 2 7647 14.20 82.96 12.10 82.88 11.70 82.83 4.50 82.16 2.50 81.83 Reach 2 7739 14.20 83.03 12.10 82.94 11.70 82.90 4.50 82.25 2.50 81.91 Reach 2 7920 14.20 83.14 12.10 83.05 11.70 83.01 4.50 82.43 2.50 82.12

Reach 2 8230 14.20 83.33 12.10 83.24 11.70 83.21 4.50 82.74 2.50 82.50 Reach 2 8368 14.20 83.54 12.10 83.44 11.70 83.41 4.50 82.91 2.50 82.68 Reach 2 8491 14.20 83.70 12.10 83.59 11.70 83.56 4.50 83.02 2.50 82.75

Reach 2 8636 14.20 83.84 12.10 83.72 11.70 83.70 4.50 83.16 2.50 82.88

Cardinal2014.doc 10/15/2014 11:15:34 AM Page 30

Reach 3 8721 4.98 84.07 3.48 83.95 4.26 83.94 1.71 83.48 0.98 83.31 Reach 3 8791 4.98 84.16 3.48 84.02 4.26 84.05 1.71 83.63 0.98 83.43

Reach 3 8881 4.98 84.28 3.48 84.13 4.26 84.18 1.71 83.76 0.98 83.56 Reach 3 9042 4.98 84.47 3.48 84.29 4.26 84.38 1.71 83.97 0.98 83.79 Reach 3 9109 4.98 84.61 3.48 84.43 4.26 84.52 1.71 84.13 0.98 83.98

Reach 3 9127 4.98 84.73 3.48 84.57 4.26 84.66 1.71 84.36 0.98 84.26 Reach 3 9258 4.98 85.43 3.48 85.23 4.26 85.34 1.71 84.93 0.98 84.75 Reach 3 9438 4.98 85.72 3.48 85.48 4.26 85.61 1.71 85.13 0.98 84.91

Reach 3 9582 4.98 85.88 3.48 85.63 4.26 85.77 1.71 85.23 0.98 85.00 Reach 3 9600 O'Toole Road Reach 3 9648 4.98 85.89 3.48 85.63 4.26 85.77 1.71 85.23 0.98 85.00

Reach 3 9778 4.98 86.11 3.48 85.84 4.26 85.98 1.71 85.43 0.98 85.20

Un-

nam

ed

Reach1 25 4.04 83.93 2.82 83.81 3.45 83.79 1.38 83.25 0.80 83.03

Reach1 82 4.04 84.02 2.82 83.88 3.45 83.89 1.38 83.42 0.80 83.26

Reach1 201 4.04 84.41 2.82 84.22 3.45 84.32 1.38 83.90 0.80 83.70

Reach1 354 4.04 84.74 2.82 84.52 3.45 84.64 1.38 84.14 0.80 83.92

Reach1 448 4.04 84.90 2.82 84.66 3.45 84.79 1.38 84.28 0.80 84.06

Reach1 477 4.04 84.95 2.82 84.71 3.45 84.84 1.38 84.35 0.80 84.14

Reach1 588 4.04 85.24 2.82 85.04 3.45 85.15 1.38 84.75 0.80 84.60

Reach1 672 4.04 85.54 2.82 85.31 3.45 85.44 1.38 84.96 0.80 84.77

Gar

vock

Reach 1 22 1.99 85.56 1.39 85.34 1.71 85.46 0.68 84.99 0.39 84.79 Reach 1 124 1.99 85.60 1.39 85.39 1.71 85.51 0.68 85.06 0.39 84.87

Reach 1 249 1.99 85.74 1.39 85.56 1.71 85.66 0.68 85.31 0.39 85.18 Reach 1 340 1.99 85.82 1.39 85.65 1.71 85.75 0.68 85.40 0.39 85.25 Reach 1 390 O'Toole Road

Reach 1 408 1.99 86.61 1.39 86.00 1.71 86.31 0.68 85.40 0.39 85.23

Reach 1 494 1.99 86.67 1.39 86.12 1.71 86.39 0.68 85.70 0.39 85.56

Ant

onio

Far

ley

Reach 1 12 2.24 85.55 1.56 85.33 1.92 85.45 0.77 84.98 0.44 84.78

Reach 1 96 2.24 85.63 1.56 85.43 1.92 85.54 0.77 85.14 0.44 85.01 Reach 1 138 2.24 85.71 1.56 85.53 1.92 85.62 0.77 85.31 0.44 85.21 Reach 1 217 2.24 85.90 1.56 85.78 1.92 85.85 0.77 85.63 0.44 85.55

Reach 1 241 2.24 85.95 1.56 85.85 1.92 85.90 0.77 85.70 0.44 85.61 Reach 1 332 2.24 86.32 1.56 86.22 1.92 86.28 0.77 86.06 0.44 85.96 Reach 1 499 2.24 86.74 1.56 86.63 1.92 86.69 0.77 86.45 0.44 86.35

Reach 1 657 2.24 87.10 1.56 86.97 1.92 87.04 0.77 86.78 0.44 86.66

Cardinal2014.doc 10/15/2014 11:15:34 AM Page 31

Table 10 Computed Water Surface Elevations for Different Flood Events (Cardinal Creek from Ottawa River to Watters Road)

Stream

Reach River

Station Flow (cms) and Computed WSEL (m) for Different Flood Events

(m) Q100 R+S

WL100 R+S

Q1979 event

WL1979 event Q100 R WL100 R Q5 R WL5 R Q2 R WL2 R

Car

dina

l Cre

ek

Reach 1 600 24.70 44.92 32.70 42.82 30.90 44.92 15.50 43.44 9.60 42.82 Reach 1 800 24.70 44.92 32.70 42.82 30.90 44.92 15.50 43.44 9.60 42.82

Reach 1 1000 24.70 44.92 32.70 42.82 30.90 44.92 15.50 43.44 9.60 42.82

Reach 1 1035 Cardinal on regional road. 174 Reach 1 1048 24.70 45.01 32.70 42.89 30.90 45.05 15.50 43.46 9.60 42.83 Reach 1 1121 24.70 45.04 32.70 43.04 30.90 45.10 15.50 43.49 9.60 42.84

Reach 1 1211 24.70 45.04 32.70 43.05 30.90 45.10 15.50 43.49 9.60 42.84 Reach 1 1334 24.70 45.04 32.70 43.07 30.90 45.10 15.50 43.49 9.60 42.85 Reach 1 1442 24.70 45.04 32.70 43.12 30.90 45.10 15.50 43.49 9.60 42.85

Reach 1 1599 24.70 45.04 32.70 43.22 30.90 45.10 15.50 43.50 9.60 42.88 Reach 1 1701 24.70 45.04 32.70 43.28 30.90 45.10 15.50 43.51 9.60 42.90 Reach 1 1843 24.70 45.04 32.70 43.39 30.90 45.11 15.50 43.52 9.60 42.93

Reach 1 1970 24.70 45.04 32.70 43.44 30.90 45.11 15.50 43.53 9.60 42.95 Reach 1 2070 24.70 45.05 32.70 43.49 30.90 45.12 15.50 43.54 9.60 42.97 Reach 1 2131 24.70 45.01 32.70 43.23 30.90 45.06 15.50 43.50 9.60 42.97

Reach 1 2140 Utility Corridor on Cardinal creek Reach 1 2164 24.70 45.10 32.70 44.77 30.90 45.21 15.50 43.71 9.60 43.30 Reach 1 2226 24.70 45.20 32.70 44.98 30.90 45.34 15.50 43.83 9.60 43.38

Reach 1 2281 24.70 45.19 32.70 44.97 30.90 45.34 15.50 43.83 9.60 43.39 Reach 1 2369 24.70 45.20 32.70 45.00 30.90 45.35 15.50 43.87 9.60 43.44 Reach 1 2511 24.70 45.21 32.70 45.01 30.90 45.36 15.50 43.92 9.60 43.60

Reach 1 2672 24.70 45.21 32.70 45.02 30.90 45.36 15.50 44.27 9.60 44.30 Reach 1 2751 24.70 45.22 32.70 45.07 30.90 45.37 15.50 44.88 9.60 44.66 Reach 1 2876 24.70 45.58 32.7 45.79 30.90 45.71 15.50 45.39 9.60 45.24

Reach 1 2940 24.70 48.27 32.70 48.39 30.90 48.36 15.50 48.12 9.60 48.00 Reach 1 3011 24.70 52.09 32.70 52.24 30.90 52.22 15.50 51.83 9.60 51.62 Reach 1 3105 24.70 52.81 32.70 53.01 30.90 52.97 15.50 52.55 9.60 52.32

Reach 1 3194 24.70 53.07 32.70 53.30 30.90 53.25 15.50 52.78 9.60 52.54 Reach 1 3293 24.70 53.31 32.70 53.50 30.90 53.46 15.50 53.02 9.60 52.77 Reach 1 3336 24.70 53.31 32.70 53.48 30.90 53.44 15.50 53.05 9.60 52.82

Reach 1 3350 Cardinal on Old Montreal road

Cardinal2014.doc 10/15/2014 11:15:34 AM Page 32

Reach 1 3379 24.70 53.38 32.70 53.59 30.90 53.54 15.50 53.08 9.60 52.83 Reach 1 3460 22.10 53.49 27.90 53.77 26.50 53.71 13.70 53.10 8.80 52.81 Reach 1 3535 22.10 53.57 27.90 53.81 26.50 53.76 13.70 53.27 8.80 53.07

Reach 1 3604 22.10 53.89 27.90 53.98 26.50 53.96 13.70 53.71 8.80 53.60 Reach 1 3713 22.10 55.06 27.90 55.16 26.50 55.14 13.70 54.86 8.80 54.71 Reach 1 3795 22.10 55.48 27.90 55.61 26.50 55.58 13.70 55.25 8.80 55.09

Reach 1 3931 22.10 55.86 27.90 55.99 26.50 55.96 13.70 55.64 8.80 55.48 Reach 1 4133 19.10 56.43 22.00 56.55 21.50 56.53 11.70 56.18 7.60 55.98 Reach 1 4230 19.10 56.71 22.00 56.81 21.50 56.79 11.70 56.45 7.60 56.27

Reach 1 4281 19.10 66.20 22.00 66.27 21.50 66.26 11.70 65.99 7.60 65.85 Reach 1 4329 19.10 66.83 22.00 66.91 21.50 66.90 11.70 66.59 7.60 66.44 Reach 1 4399 19.10 67.14 22.00 67.21 21.50 67.20 11.70 66.93 7.60 66.78

Reach 1 4465 19.10 69.79 22.00 69.87 21.50 69.85 11.70 69.55 7.60 69.39 Reach 1 4533 19.10 77.95 22.00 78.03 21.50 78.01 11.70 77.72 7.60 77.56

Reach 1 4578 19.10 79.25 22.00 79.32 21.50 79.31 11.70 79.06 7.60 78.93

Cardinal2014.doc 10/15/2014 11:15:34 AM Page 33

Table 11 Headloss at culverts along Cardinal Creek from Watters Road to O'Toole Road (1:100 year Snow plus Rain Event)

Stream/Reach Location Chainage Upstream Invert

Downstream Invert

Upstream Obvert 1

Downstream Obvert 1

E.G. Elev. u/s of

Culvert3

E.G. Elev. d/s of

Culvert3 Headloss

(m) (m) (m) (m) (m) (m) (m) (m)

Cardinal/Reach 2 Innes Road 7290 80.06 80.06 83.01 83.01 82.56 82.49 0.07

Cardinal/Reach 2 Frank Kenny Road 7570 80.34 80.34 82.54 82.54 82.90 82.86 0.04

Cardinal/Reach 3 O'Toole Road 9600 83.94 83.96 86.49 86.51 85.91 85.90 0.01

Garvock/Reach 1 O'Toole Road 390 84.35 84.35 85.35 85.35 86.66 85.89 0.77

Table 12 Headloss at culverts along Cardinal Creek from Ottawa River to Watters Road

(1:100 year Rain Event)

Stream/Reach Location Chainage Upstream

Invert Downstream

Invert Upstream Obvert 1

Downstream Obvert 1

E.G. Elev. u/s of

Culvert3

E.G. Elev. d/s of

Culvert3 Headloss

(m) (m) (m) (m) (m) (m) (m) (m)

Cardinal/Reach 1 Regional Road. 174 1035 39.66 39.44 42.70 42.48 45.10 44.92 0.18

Cardinal/Reach 1 Utility corridor 2140 42.10 41.32 47.10 2 46.32 2 45.33 45.18 0.15

Cardinal/Reach 1 Old Montreal Road 3350 49.80 49.86 54.80 54.86 53.67 53.59 0.08

E.G. Elev. - Energy Grade Elevation

1) City of Ottawa survey October 2011 2) RVCA Survey on October 14th 2011 and November 4th 2011

3) Output from HEC-RAS Model, RVCA 2014

Cardinal2014.doc 10/15/2014 11:15:34 AM Page 34

Cardinal Creek

174

Trim

Innes

Wall

O'Toole

Old Montreal

Wilhaven

Fra

nk Kenny

French Hill

Lane

Giroux

Watters

Quigley H

ill

Regimbald

Tenth Line

Lookout

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Gardenway

Dunning

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Ü

0 1 20.5 Kilometres

U.T.M. Zone 18 - NAD 83 DatumProjection note:

Base-mapping and GIS services provided courtesy of the Rideau ValleyConservation Authority, under License with the Ontario Ministry of Natural Resources © Queen's Printer for Ontario, 2011.

These maps are the property of the RVCA, and the RVCA holds a copyrighton them. These maps may be copied or reproduced by other parties providedthat the RVCA is properly acknowledged as the original source of the information in any document, report or map in which this mapping is used,and provided that no fee is charged (other than to cover handling charges).While RVCA makes every effort to ensure that the information presented issufficiently accurate for the intended uses of the map, there is an inherentmargin of error in all mapping products, and the RVCA cannot guarantee theaccuracy of the mapping for all possible uses. All end-users of the information contained herein must therefore determine for themselves if theinformation is of suitable accuracy for their purposes.

Date Modified: 4/11/2011

Created by: AAHMED

File name: Cardinal Figure 1

Innes

Figure 1: Study Area

Becketts Creek

Cardinal Creek

Bilberry Creek

174

Trim

Innes

Dunning

Wall

Wilhaven

Sarsfield

O'Toole

French Hill

Old Montreal

Giroux

Regimbald

Orlea

ns

Colonial

Fra

nk Kenny

Page

Tenth Line

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mett

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leue

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Watters

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Sunview

Bilberry

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Tompkins

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llo

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Taylor Creek

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Austin Ü

0 1 20.5 Km

U.T.M. Zone 18 - NAD 83 DatumProjection note:

Base-mapping and GIS services provided courtesy of the Rideau ValleyConservation Authority, under License with the Ontario Ministry of Natural Resources © Queen's Printer for Ontario, 2011.

These maps are the property of the RVCA, and the RVCA holds a copyrighton them. These maps may be copied or reproduced by other parties providedthat the RVCA is properly acknowledged as the original source of the information in any document, report or map in which this mapping is used,and provided that no fee is charged (other than to cover handling charges).While RVCA makes every effort to ensure that the information presented issufficiently accurate for the intended uses of the map, there is an inherentmargin of error in all mapping products, and the RVCA cannot guarantee theaccuracy of the mapping for all possible uses. All end-users of the information contained herein must therefore determine for themselves if theinformation is of suitable accuracy for their purposes.

Date Modified: 7/11/2011

Created by: AAHMED

File name: Cardinal Figure 2: Extent of hill shade.

Figure 2: Topography andExtent of LiDAR Coverage

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Ü0 500 1,000250 Meters

U.T.M. Zone 18 - NAD 83 DatumProjection note:

Base-mapping and GIS services provided courtesy of the Rideau ValleyConservation Authority, under License with the Ontario Ministry of Natural Resources © Queen's Printer for Ontario, 2011.

These maps are the property of the RVCA, and the RVCA holds a copyrighton them. These maps may be copied or reproduced by other parties providedthat the RVCA is properly acknowledged as the original source of the information in any document, report or map in which this mapping is used,and provided that no fee is charged (other than to cover handling charges).While RVCA makes every effort to ensure that the information presented issufficiently accurate for the intended uses of the map, there is an inherentmargin of error in all mapping products, and the RVCA cannot guarantee theaccuracy of the mapping for all possible uses. All end-users of the information contained herein must therefore determine for themselves if theinformation is of suitable accuracy for their purposes.

Date Modified: 05/08/2014

Created by: AAHMED

File name: Cardinal Figure 3: Flow points

Ottawa River

Reach 2

Reach 3

Cardinal Creek

Un-namedGarvock Drain

Ant

oni

o Fa

rley

Figure 3: Flow Points

Reach 1

Cardinal Creek

Cardinal Creek

Flow (cms) Flow (cms)

2-year rain

5-year rain

100-year rain

2-year rain

5-year rain

100-year rain

Snow 100-year event

July 1979 event

O Cardinal Creek/Reach 1 3458 9.60 15.50 30.90 9.60 15.40 30.60 24.70 32.70

H Cardinal Creek/Reach 1 3280 8.80 13.70 26.50 8.70 13.60 26.00 22.10 27.90

G Cardinal Creek/Reach 1 3051 7.60 11.70 21.50 7.50 11.50 21.40 19.10 22.00

F Cardinal Creek/Reach 1 3031 7.50 11.60 21.40 7.50 11.40 21.40 19.10 21.80

D Cardinal Creek/Reach 2 2356 3.90 6.90 16.60 4.00 7.10 16.50 17.20 17.70

C Cardinal Creek/Reach 2 1973 2.30 4.20 11.10 2.50 4.50 11.70 14.20 12.10

B Cardinal Creek/Reach 2 1526 1.40 2.40 6.10 1.50 2.60 6.50 7.60 5.30

A Cardinal Creek/Reach 3 756 0.60 1.00 2.60 0.60 1.10 2.80 4.00 2.20

A1 Cardinal Creek/Reach 3 869 0.92 1.57 4.00 0.98 1.71 4.26 4.98 3.48

B1 Un-named branch/Reach 1 656 0.74 1.27 3.24 0.80 1.38 3.45 4.04 2.82

B2 Antonio Farley drain/Reach 1 300 0.41 0.71 1.80 0.44 0.77 1.92 2.24 1.56

B3 Garvock municipal drain/Reach 1 256 0.37 0.63 1.60 0.39 0.68 1.71 1.99 1.39

Flow Point Stream/Reach Drainage Area (ha)

Chicago Distribution 24hr Flow (cms)

SCS Type II Distribution 24hr Flow (cms)

1:20,000

408

494

340

657

249

124

9582

588

44835

4

9438

332

477

241

9258

499

201

9648

138

9778

22

217

8636

8491

96

672

9127

8230

8368

82

9109

7920 90

427739

888187

91

25

12

8721

7647

6847

7379

7587

6546

7068

7490

6192

7273

7307

75557513

7217

8788

86

89

90

91

85

84

83

81 82

92

80

93

94

88

90

89

88

88

90

87

87

89

82

89

90

88

86

89

89

88

88

88

88

93

86

86

87

89

88

90

88

87

88

91

88

88

87

89

88

88

90

88

88

88

89

88

85

90

87

87

87

89

87

90

89

88

93

82

89

87

87

88

90

87

89

88

88

88

88

89

89

88

86

88

88

83

89

89

89

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INNES ROAD

O'TO

OLE

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AD

FRA

NK

KE

NN

Y R

OA

D FRENCH HILL ROAD

FRA

NK

KE

NN

Y R

OA

D

0 250 500125 Meters

U.T.M. Zone 18 - NAD 83 DatumProjection note:

Base-mapping and GIS services provided courtesy of the Rideau ValleyConservation Authority, under License with the Ontario Ministry of Natural Resources © Queen's Printer for Ontario, 2008.

These maps are the property of the RVCA, and the RVCA holds a copyrighton them. These maps may be copied or reproduced by other parties providedthat the RVCA is properly acknowledged as the original source of the information in any document, report or map in which this mapping is used,and provided that no fee is charged (other than to cover handling charges).While RVCA makes every effort to ensure that the information presented issufficiently accurate for the intended uses of the map, there is an inherentmargin of error in all mapping products, and the RVCA cannot guarantee theaccuracy of the mapping for all possible uses. All end-users of the information contained herein must therefore determine for themselves if theinformation is of suitable accuracy for their purposes.

Date Modified: 11/09/2014

Created by: AA

File name: Cardinal Figure 4: Cross sections locations

Figure 4a: Cross Section Locations

Un-namedGarvock Drain

Ant

oni

oF

arle

y

Cardinal Cre ek - R each 3

Reach 2

1:7,500

Cardi nal Creek

Ü

7739

4247

3995

3759

7647

5620

4476

6847

5945

5278

7379

7587

4781

6546

7068

7490

6192

7273

7920

4995

7307

75557513

7217

86

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8584

83

82

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79

92

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7776

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75

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9489

88

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91

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79

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69

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95

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73

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86

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80

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7687

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79

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88

89

88

88

87

89

88

88

89

88

88

88

89

89

93

88

87

88

87

87

88

89

88

88

89

89

80

88

95

96

91

89

88

89

88

88

88

91

88

91

88

89

89

88

88

89

88

86

90

88

8888

89

89

88

88

95

88

88

88

79

81

88

82

89

87

89

89

86

88

88

86

88

89

89

88

89

89

89

89

88

88

8988

88

87

88

88 88

89

88

88

80

82

79

88

87

88

87

89

89

87

88

89

88

87

86

86

88

86

88

72

82

87

88

77

88

86

83

89

87

89

88

81

87

89

88

89

88

85

89

89

88

88

88

89

88

89

82

89

88

85

89

89

86

89

88

88

87

89

89

88

86

88

88

88

88

88

82

88

86

89

87

78

89

89

85

89

83

87

87

88

89

87

88

89

88

88

88

89

84

88

80

88

89

87

89

TRIM

RO

AD

VALIN STREET

INNES ROAD

FRA

NK

KE

NN

Y R

OA

D

WATTERS ROAD

PINE VISTA DRIVE

CAPRIHANI W

AY

LISBON S

TREET

SCULLY WAY

LIBERTY W

AY

DEMETER S

TREET

SPRING

RIDG

E DRIV

E

CELESTE WAY

LOBELIA

WAY

JERSEY S

TREET

SE

NA

TEU

RS

WAY

ALINE AVENUE

NEPTU

NE W

AY

CASSIA C

IRCLE

AZTEC WAY

HE

NN

ES

SY

CR

ES

CE

NT

DU

SK P

RIVATE

TOPHAM TERRACE

MCADAM CRESCENT

FRANK KENNY ROAD

0 250 500125 Meters

U.T.M. Zone 18 - NAD 83 DatumProjection note:

Base-mapping and GIS services provided courtesy of the Rideau ValleyConservation Authority, under License with the Ontario Ministry of Natural Resources © Queen's Printer for Ontario, 2008.

These maps are the property of the RVCA, and the RVCA holds a copyrighton them. These maps may be copied or reproduced by other parties providedthat the RVCA is properly acknowledged as the original source of the information in any document, report or map in which this mapping is used,and provided that no fee is charged (other than to cover handling charges).While RVCA makes every effort to ensure that the information presented issufficiently accurate for the intended uses of the map, there is an inherentmargin of error in all mapping products, and the RVCA cannot guarantee theaccuracy of the mapping for all possible uses. All end-users of the information contained herein must therefore determine for themselves if theinformation is of suitable accuracy for their purposes.

Date Modified: 11/09/2014

Created by: AA

File name: Cardinal Figure 4: Cross sections locations

Figure 4b: Cross Section Locations

Cardi nal - Reach 2

1:7,500

Ü

2751

2876

2511

2940

2164

2070

1211

1121

1442

3194

1599

1843

3379

3460

2369

3535

1334

3011

3336

2281

3293

2226

3931

3105

2672

4133

1970

4281

1000

4230

4399

2131

1701

4329

3604

3795

4465

3713

4578

79

78

77

76

75

74

73

72

71

70

69

68

67

66

6564

63

62

61

60

59

58

57

56

55

54

53

5251

80

8182

50

49

48

47

46

4544

43

42

83

84

85

86

87

88

89 90

91

9293

94

95

89

8886

88

88

54

87

61

88

53

78

52

8880

47

82

46

55

62

86

88

55

77

86

4287

57

57

75

56

86

88

42

56

87

87

43

88

79

88

55

57

57

87

86

55

88

89

4246

86

83

44

56

87

86

62

88

56

81

87

86

74

57

92

42

87

5654

54

87

8164

57

56

89

86

54

78

54

78

87

81

42

88

48

81

82

78

87

87

43

42

69

54

86

87

54

83

88

82

52

88

81

5355

79

72

51

44

87

88

56

75

52

45

87

53

83

45

87

75

57

81

92

87

88

87

81

79

87

45

67

88

64

63

67

56

86

43

49

52

56

57

43

42

71

86

76

88

86

44

86

92

54

93

79

77

87

88

42

86

87

89

42

68

56

4249

68

57

89

87

51

55

87

79

56

72

86

78

64

51

70

54

88

89

88

45

87

61

69

88

54

80

56

44

88

55

89

69

51

81

58

77

4282

44

72

56

53

87

75

72

85

73

78

87

88

82

88

87

88

85

52

83

87

42

71

78

86

88

55

55

88

53

56

69

47

80

81

89

65

52

54

86

64

88

55

73

81

42

88

88

81

92

42

85

88

51

88

88

85

79

74

56

64

56

77

54

76

57

46

53

89

75

82

69

87

93

71

56

42

42

83

87

82

80

60

72

73

87

86

85

43

67

69

85

43

87

59

68

87

43

87

56

42

42

87

87

88

84

51

88

67

82

56

55

56

88

52

86

49

42

80

67

87

43

82

55

46

87

87

79

71

42

81

88

87

87

55

56

79

57

78

76

91

61

53

51

88

86

48

58

66

51

83

44

57

45

54

87

67

84

86

88

82

68

71

88

54

80

64

74

8088

56

78

73

78

65

86

87

47

55

56

53

43

87

42

52

88

60

78

86

55

43

54

42

56

42

87

56

57

86

85

45

88

87

87

82

87

44

88

82

88

93

81

88

5656

55

57

63

85

50

58

57

67

88

88

55

85

74

55

74

57

50

56

42

55

80

87

TRIM

RO

AD

REGIO

NAL RO

AD 174

OLD

MO

NTREAL

ROAD

WATTERS ROAD

AN

TIGO

NIS

H AV

EN

UE

ST JOSEPH BOULEVARD

TALC

Y CR

ES

CE

NT

CA

SE

RTA

PLA

CE

1048

4533

DAIRY DRIVE

MO

NTC

RE

ST DR

IVE

GE

RA

LD S

TRE

ET

LAC

OLL

E W

AY

NORTH SERVIC

E ROAD

MONTRESO

R WAY

TAYLOR CREEK DRIVE

SOUTH FRONTAGE

SULTAN STREET

ADENCLIFFE DRIVE

CH

EV

ER

NY

CR

ES

CE

NT

KERRIA WALK

INL

ET

PR

IVA

TE

BR

ISSAC

WAY

EV

ER

LA

ST

ING

CR

ES

CE

NT

TED

KE

LLY LAN

E

LALANDE TERRACE

BEAUREGARD CRESCENT

SIL

LE

RY

PL

AC

E

GR

AN

D C

H?N

E C

OU

RT

HEATHERSTONE CRESCENT

HA

UTE

VIE

W C

RE

SC

EN

T

SPRINGRIDGE DRIVE

ARIA C

OURT

CHALLENGE CRESCENT

CO

OK

SH

IRE

CR

ES

CE

NT

CITYVIEW CRESCENT

GALLICA COURT

FIESTA AVENUE

REGIONAL ROAD 174

Ü

0 250 500125 Meters

U.T.M. Zone 18 - NAD 83 DatumProjection note:

Base-mapping and GIS services provided courtesy of the Rideau ValleyConservation Authority, under License with the Ontario Ministry of Natural Resources © Queen's Printer for Ontario, 2008.

These maps are the property of the RVCA, and the RVCA holds a copyrighton them. These maps may be copied or reproduced by other parties providedthat the RVCA is properly acknowledged as the original source of the information in any document, report or map in which this mapping is used,and provided that no fee is charged (other than to cover handling charges).While RVCA makes every effort to ensure that the information presented issufficiently accurate for the intended uses of the map, there is an inherentmargin of error in all mapping products, and the RVCA cannot guarantee theaccuracy of the mapping for all possible uses. All end-users of the information contained herein must therefore determine for themselves if theinformation is of suitable accuracy for their purposes.

Date Modified: 11/09/2014

Created by: AA

File name: Cardinal Figure 4: Cross sections locations

Figure 4c: Cross Section Locations

Card

ina

l-Reach

1

1:7,500

-Sho

relin

e-T

estC

ross

sect

ions

-Con

tour

s

Isth

ere

asi

gnifi

cant

slop

e?(m

in.3

mris

efr

omsh

orel

ine

toto

pof

slop

e,an

d5:

1(r

unto

rise)

incl

inat

ion

from

toe

toto

pof

slop

e)

Isth

eva

lley

slop

est

able

and

notm

arin

ecl

ay?

Sta

ble

slop

eis

any

slop

eth

atis

betw

een

5:1

and

3:1(

20%

-33

.3%

slop

e),e

xpos

edbe

droc

k,or

the

uppe

rmos

tpor

tion

oftr

ibut

ary

ravi

new

here

dept

his

less

than

3m)

Isto

eof

slop

efu

rthe

rth

an15

mfr

omth

esh

orel

ine?

Reg

ulat

ory

Lim

itis

:M

eand

erB

elt+

15m

OR

Flo

odpl

ain

+15

m

Yes ~

AP

PA

RE

NT

SLO

PE

Reg

ulat

ory

Lim

itis

:

Top

ofS

lope

+15

mO

RF

lood

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in+

15m

Reg

ulat

ory

Lim

itis

:

Toe

ofsl

ope

+st

able

slop

eal

low

ance

+15

mO

RF

lood

Pla

in+

15m

Isst

ream

bank

stab

le?

Yes N

o

Reg

ulat

ory

Lim

itis

:

15m

toe

eros

ion

allo

wan

ce+

stab

lesl

ope

allo

wan

ce+

15m

OR

Top

eof

slop

e+

15m

OR

Flo

odP

lain

+15

m

No

No

Yes

Yes

“It h

as b

een

assu

med

that

all

stre

amba

nks

are

pote

ntia

llyer

odin

gan

dre

quire

a15

mto

e er

osio

n al

low

ance

”Lo

calK

now

ledg

e-b

edro

ckla

yer

No ~

NO

N-A

PP

AR

EN

TS

LOP

E

-Sho

relin

e+

15m

-Toe

ofsl

ope

Sho

relin

e+

15m

-Sta

ble

slop

eal

low

ance

-Sta

ble

slop

e+

15m

-Top

ofsl

ope

+15

m

-T

opof

slop

e-

Top

ofsl

ope

+15

m

-T

oeof

slop

e-

Sta

ble

slop

eal

low

ance

Sta

ble

Slo

pe+

15m

-10

0ye

arflo

odpl

ain

line

-F

lood

line

+15

m-

Mea

nder

Bel

tAxi

s-

Mea

nder

Bel

t-

Mea

nder

belt

+15

m

Fig

ure

5:G

ener

icR

egul

atio

nLi

mit

Del

inea

tion:

Dec

isio

nT

ree

Figure 6: Cardinal Creek Karst Feature (Golder, 1991)

Cardinal2014.doc 10/15/2014 11:15:34 AM Page 42

Figure 7: Erosion and Stable Slope Allowances (RVCA, 2005)

Cardinal2014.doc 10/15/2014 11:15:34 AM Page 43

Appendix A HEC-RAS Model Output

Upstream Model (Cardinal Creek from Watters Road to O’Toole Road)

Longitudinal Profiles

Cross-Sections

0 1000 2000 3000 4000 5000 6000 700076

78

80

82

84

86

88

CardinalV3September8th2014 Plan: Plan V3 Sep8th 9/8/2014

Main Channel Distance (m)

Ele

vatio

n (m

)

Legend

EG 100 yr S+R

WS 100 yr S+R

Crit 100 yr S+R

Ground

3995

4247

4476

4781

4995

5278

5620

5945

6192

6546

6847

7068

7217

7379

7490

7647

7920

8230

8368

8491

8636

8791

9042

9258

9438

9582

9778

Cardinal Creek Reach 2 Cardinal Creek Reach 3

0 200 400 600 800 1000 120082

83

84

85

86

87

88

CardinalV3September8th2014 Plan: Plan V3 Sep8th 9/8/2014

Main Channel Distance (m)

Ele

vatio

n (m

)

Legend

Crit 100 yr S+R

EG 100 yr S+R

WS 100 yr S+R

Ground

82 201

354

448

477

588

672

22 124

249

340

390

408

494

Un-named Reach1 Garvock Reach 1

0 200 400 600 800 1000 1200 140082

83

84

85

86

87

88

CardinalV3September8th2014 Plan: Plan V3 Sep8th 9/8/2014

Main Channel Distance (m)

Ele

vatio

n (m

)

Legend

EG 100 yr S+R

WS 100 yr S+R

Ground

82 201

354

448

477

588

672

96 138

217

241

332

499

657

Un-named Reach1 Antonio Farley Reach 1

0 1000 2000 3000 4000 5000 6000 700076

78

80

82

84

86

88

CardinalV3September8th2014 Plan: Plan V3 Sep8th 9/8/2014

Main Channel Distance (m)

Ele

vatio

n (m

)

Legend

EG 100 yr S+R

WS 100 yr S+R

Crit 100 yr S+R

Ground

3995

4247

4476

4781

4995

5278

5620

5945

6192

6546

6847

7068

7217

7379

7490

7647

7920

8230

8368

8491

8636

201

354

477

588

22 249

390

494

Cardinal Creek Reach 2 Un-named Reach1

Garvock Reach 1

0 20 40 60 80 100 120 140 16076

78

80

82

84

86

CardinalV3September8th2014 Plan: Plan V3 Sep8th 9/8/2014

River = Cardinal Creek Reach = Reach 2 RS = 3759

Station (m)

Ele

vatio

n (m

)

Legend

EG 100 yr S+R

WS 100 yr S+R

Crit 100 yr S+R

Ground

Bank Sta

.05 .08 .05

0 20 40 60 80 100 120 140 16076

78

80

82

84

86

88

CardinalV3September8th2014 Plan: Plan V3 Sep8th 9/8/2014

River = Cardinal Creek Reach = Reach 2 RS = 3995

Station (m)

Ele

vatio

n (m

)

Legend

EG 100 yr S+R

WS 100 yr S+R

Ground

Bank Sta

.05 .08 .05

0 20 40 60 80 100 120 140 16076

78

80

82

84

86

88

CardinalV3September8th2014 Plan: Plan V3 Sep8th 9/8/2014

River = Cardinal Creek Reach = Reach 2 RS = 4247

Station (m)

Ele

vatio

n (m

)

Legend

EG 100 yr S+R

WS 100 yr S+R

Ground

Bank Sta

.05 .08 .05

0 20 40 60 80 100 12076

78

80

82

84

86

88

CardinalV3September8th2014 Plan: Plan V3 Sep8th 9/8/2014

River = Cardinal Creek Reach = Reach 2 RS = 4476

Station (m)

Ele

vatio

n (m

)

Legend

EG 100 yr S+R

WS 100 yr S+R

Ground

Bank Sta

.05 .08 .05

0 20 40 60 80 100 12077

78

79

80

81

82

83

84

85

86

CardinalV3September8th2014 Plan: Plan V3 Sep8th 9/8/2014

River = Cardinal Creek Reach = Reach 2 RS = 4781

Station (m)

Ele

vatio

n (m

)

Legend

EG 100 yr S+R

WS 100 yr S+R

Ground

Bank Sta

.05 .08 .05

0 20 40 60 80 10078

80

82

84

86

CardinalV3September8th2014 Plan: Plan V3 Sep8th 9/8/2014

River = Cardinal Creek Reach = Reach 2 RS = 4995

Station (m)

Ele

vatio

n (m

)

Legend

EG 100 yr S+R

WS 100 yr S+R

Ground

Bank Sta

.05 .08 .05

0 20 40 60 80 100 12078

80

82

84

86

88

CardinalV3September8th2014 Plan: Plan V3 Sep8th 9/8/2014

River = Cardinal Creek Reach = Reach 2 RS = 5278

Station (m)

Ele

vatio

n (m

)

Legend

EG 100 yr S+R

WS 100 yr S+R

Ground

Bank Sta

.05 .08 .05

0 20 40 60 80 100 12078

80

82

84

86

88

CardinalV3September8th2014 Plan: Plan V3 Sep8th 9/8/2014

River = Cardinal Creek Reach = Reach 2 RS = 5620

Station (m)

Ele

vatio

n (m

)

Legend

EG 100 yr S+R

WS 100 yr S+R

Ground

Bank Sta

.05 .08 .05

0 20 40 60 80 100 12079

80

81

82

83

84

85

86

87

CardinalV3September8th2014 Plan: Plan V3 Sep8th 9/8/2014

River = Cardinal Creek Reach = Reach 2 RS = 5945

Station (m)

Ele

vatio

n (m

)

Legend

EG 100 yr S+R

WS 100 yr S+R

Ground

Bank Sta

.05 .08

.05

0 20 40 60 80 10079

80

81

82

83

84

85

86

CardinalV3September8th2014 Plan: Plan V3 Sep8th 9/8/2014

River = Cardinal Creek Reach = Reach 2 RS = 6192

Station (m)

Ele

vatio

n (m

)

Legend

EG 100 yr S+R

WS 100 yr S+R

Ground

Bank Sta

.05 .08 .05

0 20 40 60 80 10079

80

81

82

83

84

85

86

87

CardinalV3September8th2014 Plan: Plan V3 Sep8th 9/8/2014

River = Cardinal Creek Reach = Reach 2 RS = 6546

Station (m)

Ele

vatio

n (m

)

Legend

EG 100 yr S+R

WS 100 yr S+R

Ground

Bank Sta

.05 .08 .05

0 20 40 60 80 100 12079

80

81

82

83

84

85

86

87

CardinalV3September8th2014 Plan: Plan V3 Sep8th 9/8/2014

River = Cardinal Creek Reach = Reach 2 RS = 6847

Station (m)

Ele

vatio

n (m

)

Legend

EG 100 yr S+R

WS 100 yr S+R

Ground

Bank Sta

.05 .08 .05

0 20 40 60 80 10079

80

81

82

83

84

85

86

CardinalV3September8th2014 Plan: Plan V3 Sep8th 9/8/2014

River = Cardinal Creek Reach = Reach 2 RS = 7068

Station (m)

Ele

vatio

n (m

)

Legend

EG 100 yr S+R

WS 100 yr S+R

Ground

Bank Sta

.05 .08 .05

0 20 40 60 8080

81

82

83

84

85

86

CardinalV3September8th2014 Plan: Plan V3 Sep8th 9/8/2014

River = Cardinal Creek Reach = Reach 2 RS = 7217

Station (m)

Ele

vatio

n (m

)

Legend

EG 100 yr S+R

WS 100 yr S+R

Ground

Bank Sta

.05 .08 .05

0 20 40 60 80 10080

81

82

83

84

85

86

CardinalV3September8th2014 Plan: Plan V3 Sep8th 9/8/2014

River = Cardinal Creek Reach = Reach 2 RS = 7273

Station (m)

Ele

vatio

n (m

)

Legend

EG 100 yr S+R

WS 100 yr S+R

Crit 100 yr S+R

Ground

Ineff

Bank Sta

.05 .08 .05

0 20 40 60 80 10080

81

82

83

84

85

86

CardinalV3September8th2014 Plan: Plan V3 Sep8th 9/8/2014

River = Cardinal Creek Reach = Reach 2 RS = 7290 Culv Innes rd

Station (m)

Ele

vatio

n (m

)

Legend

EG 100 yr S+R

WS 100 yr S+R

Crit 100 yr S+R

Ground

Ineff

Bank Sta

.05 .08 .05

0 20 40 60 80 10080

81

82

83

84

85

86

CardinalV3September8th2014 Plan: Plan V3 Sep8th 9/8/2014

River = Cardinal Creek Reach = Reach 2 RS = 7290 Culv Innes rd

Station (m)

Ele

vatio

n (m

)

Legend

EG 100 yr S+R

WS 100 yr S+R

Crit 100 yr S+R

Ground

Ineff

Bank Sta

.05 .08 .05

0 20 40 60 80 10080

81

82

83

84

85

86

CardinalV3September8th2014 Plan: Plan V3 Sep8th 9/8/2014

River = Cardinal Creek Reach = Reach 2 RS = 7307

Station (m)

Ele

vatio

n (m

)

Legend

EG 100 yr S+R

WS 100 yr S+R

Crit 100 yr S+R

Ground

Ineff

Bank Sta

.05 .08 .05

0 20 40 60 80 100 12080

81

82

83

84

85

86

87

CardinalV3September8th2014 Plan: Plan V3 Sep8th 9/8/2014

River = Cardinal Creek Reach = Reach 2 RS = 7379

Station (m)

Ele

vatio

n (m

)

Legend

EG 100 yr S+R

WS 100 yr S+R

Ground

Bank Sta

.05 .08

.05

0 20 40 60 80 10080

81

82

83

84

85

86

87

CardinalV3September8th2014 Plan: Plan V3 Sep8th 9/8/2014

River = Cardinal Creek Reach = Reach 2 RS = 7490

Station (m)

Ele

vatio

n (m

)

Legend

EG 100 yr S+R

WS 100 yr S+R

Ground

Bank Sta

.05 .08 .05

0 20 40 60 8080

81

82

83

84

85

86

CardinalV3September8th2014 Plan: Plan V3 Sep8th 9/8/2014

River = Cardinal Creek Reach = Reach 2 RS = 7513

Station (m)

Ele

vatio

n (m

)

Legend

EG 100 yr S+R

WS 100 yr S+R

Ground

Bank Sta

.05 .08 .05

0 20 40 60 80 10080

81

82

83

84

85

86

CardinalV3September8th2014 Plan: Plan V3 Sep8th 9/8/2014

River = Cardinal Creek Reach = Reach 2 RS = 7555

Station (m)

Ele

vatio

n (m

)

Legend

EG 100 yr S+R

WS 100 yr S+R

Ground

Ineff

Bank Sta

.05 .08 .05

0 20 40 60 80 10080

81

82

83

84

85

86

CardinalV3September8th2014 Plan: Plan V3 Sep8th 9/8/2014

River = Cardinal Creek Reach = Reach 2 RS = 7570 Culv Frank kenny

Station (m)

Ele

vatio

n (m

)

Legend

EG 100 yr S+R

WS 100 yr S+R

Crit 100 yr S+R

Ground

Ineff

Bank Sta

.05 .08 .05

0 20 40 60 80 100 12080

81

82

83

84

85

CardinalV3September8th2014 Plan: Plan V3 Sep8th 9/8/2014

River = Cardinal Creek Reach = Reach 2 RS = 7570 Culv Frank kenny

Station (m)

Ele

vatio

n (m

)

Legend

EG 100 yr S+R

WS 100 yr S+R

Crit 100 yr S+R

Ground

Ineff

Bank Sta

.05 .08 .05

0 20 40 60 80 100 12080

81

82

83

84

85

CardinalV3September8th2014 Plan: Plan V3 Sep8th 9/8/2014

River = Cardinal Creek Reach = Reach 2 RS = 7587

Station (m)

Ele

vatio

n (m

)

Legend

EG 100 yr S+R

WS 100 yr S+R

Crit 100 yr S+R

Ground

Ineff

Bank Sta

.05 .08 .05

0 20 40 60 80 100 120 140 16080

81

82

83

84

85

86

87

CardinalV3September8th2014 Plan: Plan V3 Sep8th 9/8/2014

River = Cardinal Creek Reach = Reach 2 RS = 7647

Station (m)

Ele

vatio

n (m

)

Legend

EG 100 yr S+R

WS 100 yr S+R

Ground

Bank Sta

.05 .08 .05

0 50 100 150 200 25080

81

82

83

84

85

86

87

CardinalV3September8th2014 Plan: Plan V3 Sep8th 9/8/2014

River = Cardinal Creek Reach = Reach 2 RS = 7739

Station (m)

Ele

vatio

n (m

)

Legend

EG 100 yr S+R

WS 100 yr S+R

Ground

Bank Sta

.05 .08

.05

0 50 100 150 200 25080

81

82

83

84

85

86

87

CardinalV3September8th2014 Plan: Plan V3 Sep8th 9/8/2014

River = Cardinal Creek Reach = Reach 2 RS = 7920

Station (m)

Ele

vatio

n (m

)

Legend

EG 100 yr S+R

WS 100 yr S+R

Ground

Bank Sta

.05 .08

.05

0 50 100 150 200 250 30081

82

83

84

85

86

87

CardinalV3September8th2014 Plan: Plan V3 Sep8th 9/8/2014

River = Cardinal Creek Reach = Reach 2 RS = 8230

Station (m)

Ele

vatio

n (m

)

Legend

EG 100 yr S+R

WS 100 yr S+R

Ground

Bank Sta

.05 .08

.05

0 50 100 150 200 250 30081

82

83

84

85

86

87

CardinalV3September8th2014 Plan: Plan V3 Sep8th 9/8/2014

River = Cardinal Creek Reach = Reach 2 RS = 8368

Station (m)

Ele

vatio

n (m

)

Legend

EG 100 yr S+R

WS 100 yr S+R

Ground

Bank Sta

.05 .08

.05

0 50 100 150 200 250 300 35081

82

83

84

85

86

87

88

CardinalV3September8th2014 Plan: Plan V3 Sep8th 9/8/2014

River = Cardinal Creek Reach = Reach 2 RS = 8491

Station (m)

Ele

vatio

n (m

)

Legend

EG 100 yr S+R

WS 100 yr S+R

Ground

Bank Sta

.05 .08

.05

0 50 100 150 200 250 300 35082

83

84

85

86

87

88

CardinalV3September8th2014 Plan: Plan V3 Sep8th 9/8/2014

River = Cardinal Creek Reach = Reach 2 RS = 8636

Station (m)

Ele

vatio

n (m

)

Legend

EG 100 yr S+R

WS 100 yr S+R

Ground

Bank Sta

.05 .08

.05

0 50 100 150 20082

83

84

85

86

87

88

CardinalV3September8th2014 Plan: Plan V3 Sep8th 9/8/2014

River = Cardinal Creek Reach = Reach 3 RS = 8721

Station (m)

Ele

vatio

n (m

)

Legend

EG 100 yr S+R

WS 100 yr S+R

Ground

Bank Sta

.05 .08

.05

0 50 100 150 200 25082

83

84

85

86

87

88

CardinalV3September8th2014 Plan: Plan V3 Sep8th 9/8/2014

River = Cardinal Creek Reach = Reach 3 RS = 8791

Station (m)

Ele

vatio

n (m

)

Legend

EG 100 yr S+R

WS 100 yr S+R

Ground

Bank Sta

.05 .08

.05

0 50 100 150 200 25082

83

84

85

86

87

88

CardinalV3September8th2014 Plan: Plan V3 Sep8th 9/8/2014

River = Cardinal Creek Reach = Reach 3 RS = 8881

Station (m)

Ele

vatio

n (m

)

Legend

EG 100 yr S+R

WS 100 yr S+R

Ground

Bank Sta

.05 .08

.05

0 50 100 150 200 25083

84

85

86

87

88

89

CardinalV3September8th2014 Plan: Plan V3 Sep8th 9/8/2014

River = Cardinal Creek Reach = Reach 3 RS = 9042

Station (m)

Ele

vatio

n (m

)

Legend

EG 100 yr S+R

WS 100 yr S+R

Ground

Bank Sta

.05 .08

.05

0 50 100 150 200 250 30083

84

85

86

87

88

89

CardinalV3September8th2014 Plan: Plan V3 Sep8th 9/8/2014

River = Cardinal Creek Reach = Reach 3 RS = 9109

Station (m)

Ele

vatio

n (m

)

Legend

EG 100 yr S+R

WS 100 yr S+R

Ground

Bank Sta

.05 .08

.05

0 50 100 150 200 250 30083

84

85

86

87

88

89

CardinalV3September8th2014 Plan: Plan V3 Sep8th 9/8/2014

River = Cardinal Creek Reach = Reach 3 RS = 9127

Station (m)

Ele

vatio

n (m

)

Legend

EG 100 yr S+R

WS 100 yr S+R

Ground

Bank Sta

.05 .08

.05

0 50 100 150 200 250 300 350 40084

85

86

87

88

89

90

CardinalV3September8th2014 Plan: Plan V3 Sep8th 9/8/2014

River = Cardinal Creek Reach = Reach 3 RS = 9258

Station (m)

Ele

vatio

n (m

)

Legend

EG 100 yr S+R

WS 100 yr S+R

Ground

Bank Sta

.05 .08

.05

0 100 200 300 400 50084

85

86

87

88

89

90

CardinalV3September8th2014 Plan: Plan V3 Sep8th 9/8/2014

River = Cardinal Creek Reach = Reach 3 RS = 9438

Station (m)

Ele

vatio

n (m

)

Legend

EG 100 yr S+R

WS 100 yr S+R

Ground

Bank Sta

.05 .08

.05

0 100 200 300 400 50084

85

86

87

88

89

90

CardinalV3September8th2014 Plan: Plan V3 Sep8th 9/8/2014

River = Cardinal Creek Reach = Reach 3 RS = 9582

Station (m)

Ele

vatio

n (m

)

Legend

EG 100 yr S+R

WS 100 yr S+R

Crit 100 yr S+R

Ground

Ineff

Bank Sta

.05 .08

.05

0 100 200 300 400 50083

84

85

86

87

88

89

90

CardinalV3September8th2014 Plan: Plan V3 Sep8th 9/8/2014

River = Cardinal Creek Reach = Reach 3 RS = 9600 Culv Cardinal on O'toole

Station (m)

Ele

vatio

n (m

)

Legend

EG 100 yr S+R

WS 100 yr S+R

Crit 100 yr S+R

Ground

Ineff

Bank Sta

.05 .08

.05

0 50 100 150 200 250 300 35083

84

85

86

87

88

89

90

CardinalV3September8th2014 Plan: Plan V3 Sep8th 9/8/2014

River = Cardinal Creek Reach = Reach 3 RS = 9600 Culv Cardinal on O'toole

Station (m)

Ele

vatio

n (m

)

Legend

EG 100 yr S+R

WS 100 yr S+R

Crit 100 yr S+R

Ground

Ineff

Bank Sta

.05 .08

.05

0 50 100 150 200 250 300 35084

85

86

87

88

89

90

CardinalV3September8th2014 Plan: Plan V3 Sep8th 9/8/2014

River = Cardinal Creek Reach = Reach 3 RS = 9648

Station (m)

Ele

vatio

n (m

)

Legend

EG 100 yr S+R

WS 100 yr S+R

Crit 100 yr S+R

Ground

Ineff

Bank Sta

.05 .08

.05

0 50 100 150 200 250 300 35084

85

86

87

88

89

90

CardinalV3September8th2014 Plan: Plan V3 Sep8th 9/8/2014

River = Cardinal Creek Reach = Reach 3 RS = 9778

Station (m)

Ele

vatio

n (m

)

Legend

EG 100 yr S+R

WS 100 yr S+R

Ground

Bank Sta

.05 .08

.05

0 20 40 60 80 10082

83

84

85

86

87

CardinalV3September8th2014 Plan: Plan V3 Sep8th 9/8/2014

River = Un-named Reach = Reach1 RS = 25

Station (m)

Ele

vatio

n (m

)

Legend

EG 100 yr S+R

WS 100 yr S+R

Ground

Bank Sta

.05 .08 .05

0 20 40 60 80 100 120 14082.5

83.0

83.5

84.0

84.5

85.0

85.5

86.0

86.5

CardinalV3September8th2014 Plan: Plan V3 Sep8th 9/8/2014

River = Un-named Reach = Reach1 RS = 82

Station (m)

Ele

vatio

n (m

)

Legend

EG 100 yr S+R

WS 100 yr S+R

Ground

Bank Sta

.05 .08 .05

0 50 100 150 200 250 30082

83

84

85

86

87

CardinalV3September8th2014 Plan: Plan V3 Sep8th 9/8/2014

River = Un-named Reach = Reach1 RS = 201

Station (m)

Ele

vatio

n (m

)

Legend

EG 100 yr S+R

WS 100 yr S+R

Ground

Bank Sta

.05 .08

.05

0 50 100 150 200 250 300 35083

84

85

86

87

88

CardinalV3September8th2014 Plan: Plan V3 Sep8th 9/8/2014

River = Un-named Reach = Reach1 RS = 354

Station (m)

Ele

vatio

n (m

)

Legend

EG 100 yr S+R

WS 100 yr S+R

Ground

Bank Sta

.05 .08

.05

0 50 100 150 200 250 300 35083

84

85

86

87

88

CardinalV3September8th2014 Plan: Plan V3 Sep8th 9/8/2014

River = Un-named Reach = Reach1 RS = 448

Station (m)

Ele

vatio

n (m

)

Legend

EG 100 yr S+R

WS 100 yr S+R

Ground

Bank Sta

.05 .08

.05

0 50 100 150 200 250 30083

84

85

86

87

88

CardinalV3September8th2014 Plan: Plan V3 Sep8th 9/8/2014

River = Un-named Reach = Reach1 RS = 477

Station (m)

Ele

vatio

n (m

)

Legend

EG 100 yr S+R

WS 100 yr S+R

Ground

Bank Sta

.05 .08

.05

0 50 100 150 200 250 300 35083.5

84.0

84.5

85.0

85.5

86.0

86.5

87.0

87.5

CardinalV3September8th2014 Plan: Plan V3 Sep8th 9/8/2014

River = Un-named Reach = Reach1 RS = 588

Station (m)

Ele

vatio

n (m

)

Legend

EG 100 yr S+R

WS 100 yr S+R

Ground

Bank Sta

.05 .08

.05

0 50 100 150 200 25083.5

84.0

84.5

85.0

85.5

86.0

86.5

87.0

87.5

CardinalV3September8th2014 Plan: Plan V3 Sep8th 9/8/2014

River = Un-named Reach = Reach1 RS = 672

Station (m)

Ele

vatio

n (m

)

Legend

EG 100 yr S+R

WS 100 yr S+R

Ground

Bank Sta

.05 .08

.05

0 20 40 60 80 10084.0

84.5

85.0

85.5

86.0

86.5

87.0

CardinalV3September8th2014 Plan: Plan V3 Sep8th 9/8/2014

River = Antonio Farley Reach = Reach 1 RS = 12

Station (m)

Ele

vatio

n (m

)

Legend

EG 100 yr S+R

WS 100 yr S+R

Ground

Bank Sta

.05 .035

.05

0 20 40 60 80 100 120 140 16084.5

85.0

85.5

86.0

86.5

87.0

CardinalV3September8th2014 Plan: Plan V3 Sep8th 9/8/2014

River = Antonio Farley Reach = Reach 1 RS = 96

Station (m)

Ele

vatio

n (m

)

Legend

EG 100 yr S+R

WS 100 yr S+R

Ground

Bank Sta

.05 .035

.05

0 50 100 150 200 250 30084.5

85.0

85.5

86.0

86.5

87.0

87.5

CardinalV3September8th2014 Plan: Plan V3 Sep8th 9/8/2014

River = Antonio Farley Reach = Reach 1 RS = 138

Station (m)

Ele

vatio

n (m

)

Legend

EG 100 yr S+R

WS 100 yr S+R

Ground

Bank Sta

.05 .035

.05

0 50 100 150 200 25085.0

85.5

86.0

86.5

87.0

87.5

CardinalV3September8th2014 Plan: Plan V3 Sep8th 9/8/2014

River = Antonio Farley Reach = Reach 1 RS = 217

Station (m)

Ele

vatio

n (m

)

Legend

EG 100 yr S+R

WS 100 yr S+R

Ground

Bank Sta

.05 .035

.05

0 50 100 150 200 250 30085.0

85.5

86.0

86.5

87.0

87.5

CardinalV3September8th2014 Plan: Plan V3 Sep8th 9/8/2014

River = Antonio Farley Reach = Reach 1 RS = 241

Station (m)

Ele

vatio

n (m

)

Legend

EG 100 yr S+R

WS 100 yr S+R

Ground

Bank Sta

.05 .035

.05

0 50 100 150 200 250 300 35085.5

86.0

86.5

87.0

87.5

88.0

88.5

CardinalV3September8th2014 Plan: Plan V3 Sep8th 9/8/2014

River = Antonio Farley Reach = Reach 1 RS = 332

Station (m)

Ele

vatio

n (m

)

Legend

EG 100 yr S+R

WS 100 yr S+R

Ground

Bank Sta

.05 .035

.05

0 50 100 150 200 250 30085.5

86.0

86.5

87.0

87.5

88.0

88.5

CardinalV3September8th2014 Plan: Plan V3 Sep8th 9/8/2014

River = Antonio Farley Reach = Reach 1 RS = 499

Station (m)

Ele

vatio

n (m

)

Legend

EG 100 yr S+R

WS 100 yr S+R

Ground

Bank Sta

.05 .035

.05

0 100 200 300 400 50086.0

86.5

87.0

87.5

88.0

88.5

CardinalV3September8th2014 Plan: Plan V3 Sep8th 9/8/2014

River = Antonio Farley Reach = Reach 1 RS = 657

Station (m)

Ele

vatio

n (m

)

Legend

EG 100 yr S+R

WS 100 yr S+R

Ground

Bank Sta

.05 .035

.05

0 20 40 60 80 100 120 140 160 18084.0

84.5

85.0

85.5

86.0

86.5

87.0

87.5

CardinalV3September8th2014 Plan: Plan V3 Sep8th 9/8/2014

River = Garvock Reach = Reach 1 RS = 22

Station (m)

Ele

vatio

n (m

)

Legend

EG 100 yr S+R

WS 100 yr S+R

Ground

Bank Sta

.05 .035

.05

0 50 100 150 200 250 300 35084.5

85.0

85.5

86.0

86.5

87.0

87.5

88.0

88.5

CardinalV3September8th2014 Plan: Plan V3 Sep8th 9/8/2014

River = Garvock Reach = Reach 1 RS = 124

Station (m)

Ele

vatio

n (m

)

Legend

EG 100 yr S+R

WS 100 yr S+R

Ground

Bank Sta

.05 .035

.05

0 50 100 150 200 250 300 350 40084.5

85.0

85.5

86.0

86.5

87.0

87.5

88.0

88.5

CardinalV3September8th2014 Plan: Plan V3 Sep8th 9/8/2014

River = Garvock Reach = Reach 1 RS = 249

Station (m)

Ele

vatio

n (m

)

Legend

EG 100 yr S+R

WS 100 yr S+R

Ground

Bank Sta

.05 .035

.05

0 100 200 300 400 50084

85

86

87

88

89

CardinalV3September8th2014 Plan: Plan V3 Sep8th 9/8/2014

River = Garvock Reach = Reach 1 RS = 340

Station (m)

Ele

vatio

n (m

)

Legend

EG 100 yr S+R

WS 100 yr S+R

Ground

Ineff

Bank Sta

.05 .035

.05

0 100 200 300 400 50084

85

86

87

88

89

CardinalV3September8th2014 Plan: Plan V3 Sep8th 9/8/2014

River = Garvock Reach = Reach 1 RS = 390 Culv

Station (m)

Ele

vatio

n (m

)

Legend

EG 100 yr S+R

WS 100 yr S+R

Crit 100 yr S+R

Ground

Ineff

Bank Sta

.05 .035

.05

0 100 200 300 400 50084

85

86

87

88

89

CardinalV3September8th2014 Plan: Plan V3 Sep8th 9/8/2014

River = Garvock Reach = Reach 1 RS = 390 Culv

Station (m)

Ele

vatio

n (m

)

Legend

EG 100 yr S+R

WS 100 yr S+R

Crit 100 yr S+R

Ground

Ineff

Bank Sta

.05 .035

.05

0 100 200 300 400 50085.0

85.5

86.0

86.5

87.0

87.5

88.0

88.5

CardinalV3September8th2014 Plan: Plan V3 Sep8th 9/8/2014

River = Garvock Reach = Reach 1 RS = 408

Station (m)

Ele

vatio

n (m

)

Legend

EG 100 yr S+R

WS 100 yr S+R

Crit 100 yr S+R

Ground

Ineff

Bank Sta

.05 .035

.05

0 100 200 300 400 50085.0

85.5

86.0

86.5

87.0

87.5

88.0

88.5

CardinalV3September8th2014 Plan: Plan V3 Sep8th 9/8/2014

River = Garvock Reach = Reach 1 RS = 494

Station (m)

Ele

vatio

n (m

)

Legend

EG 100 yr S+R

WS 100 yr S+R

Ground

Bank Sta

.05 .035

.05

Appendix B HEC-RAS Model Output

Downstream Model (Cardinal Creek from Ottawa River to Watters Road)

Longitudinal Profiles

Cross-Sections

0 1000 2000 3000 400030

40

50

60

70

80

CardinalDSV3september8th2014 Plan: Cardinal DS V3 9/8/2014

Main Channel Distance (m)

Ele

vatio

n (m

)

Legend

EG 100 yr R

WS 100 yr R

Crit 100 yr R

Ground

800

1000

1121

1211

1334

1442

1599

1701

1843

1970

2070

2140

2226

2369

2511

2672

2751

2876

2940

3011

3105

3194

3293

3350

3460

3535

3604

3713

3795

3931

4133

4230

4329

4399

4465

4533

Cardinal Creek Reach 1

0 20 40 60 80 100 12039

40

41

42

43

44

45

CardinalDSV3september8th2014 Plan: Cardinal DS V3 9/8/2014

River = Cardinal Creek Reach = Reach 1 RS = 600 Copy #2 of section 1000

Station (m)

Ele

vatio

n (m

)

Legend

EG 100 yr R

WS 100 yr R

Crit 100 yr R

Ground

Bank Sta

.001 .001 .001

0 20 40 60 80 100 12039

40

41

42

43

44

45

CardinalDSV3september8th2014 Plan: Cardinal DS V3 9/8/2014

River = Cardinal Creek Reach = Reach 1 RS = 800 Copy of section 1000

Station (m)

Ele

vatio

n (m

)

Legend

EG 100 yr R

WS 100 yr R

Ground

Bank Sta

.001 .001 .001

0 20 40 60 80 100 12039

40

41

42

43

44

45

CardinalDSV3september8th2014 Plan: Cardinal DS V3 9/8/2014

River = Cardinal Creek Reach = Reach 1 RS = 1000

Station (m)

Ele

vatio

n (m

)

Legend

EG 100 yr R

WS 100 yr R

Ground

Bank Sta

.001 .001 .001

0 20 40 60 80 100 12039

40

41

42

43

44

45

46

47

CardinalDSV3september8th2014 Plan: Cardinal DS V3 9/8/2014

River = Cardinal Creek Reach = Reach 1 RS = 1035 Culv Regional rd 174

Station (m)

Ele

vatio

n (m

)

Legend

EG 100 yr R

WS 100 yr R

Crit 100 yr R

Ground

Bank Sta

.001 .001 .001

0 20 40 60 80 100 12039

40

41

42

43

44

45

46

47

CardinalDSV3september8th2014 Plan: Cardinal DS V3 9/8/2014

River = Cardinal Creek Reach = Reach 1 RS = 1035 Culv Regional rd 174

Station (m)

Ele

vatio

n (m

)

Legend

EG 100 yr R

WS 100 yr R

Crit 100 yr R

Ground

Ineff

Bank Sta

.05 .035 .05

0 20 40 60 80 100 12039

40

41

42

43

44

45

46

47

CardinalDSV3september8th2014 Plan: Cardinal DS V3 9/8/2014

River = Cardinal Creek Reach = Reach 1 RS = 1048

Station (m)

Ele

vatio

n (m

)

Legend

EG 100 yr R

WS 100 yr R

Crit 100 yr R

Ground

Ineff

Bank Sta

.05 .035 .05

0 20 40 60 80 100 120 140 16040

42

44

46

48

50

52

CardinalDSV3september8th2014 Plan: Cardinal DS V3 9/8/2014

River = Cardinal Creek Reach = Reach 1 RS = 1121

Station (m)

Ele

vatio

n (m

)

Legend

EG 100 yr R

WS 100 yr R

Ground

Bank Sta

.05 .035 .05

0 20 40 60 80 100 120 140 16040

42

44

46

48

50

CardinalDSV3september8th2014 Plan: Cardinal DS V3 9/8/2014

River = Cardinal Creek Reach = Reach 1 RS = 1211

Station (m)

Ele

vatio

n (m

)

Legend

EG 100 yr R

WS 100 yr R

Ground

Bank Sta

.05 .035

.05

0 20 40 60 80 100 120 14040

42

44

46

48

50

52

CardinalDSV3september8th2014 Plan: Cardinal DS V3 9/8/2014

River = Cardinal Creek Reach = Reach 1 RS = 1334

Station (m)

Ele

vatio

n (m

)

Legend

EG 100 yr R

WS 100 yr R

Ground

Bank Sta

.05 .035 .05

0 20 40 60 80 100 120 140 16040

42

44

46

48

50

52

CardinalDSV3september8th2014 Plan: Cardinal DS V3 9/8/2014

River = Cardinal Creek Reach = Reach 1 RS = 1442

Station (m)

Ele

vatio

n (m

)

Legend

EG 100 yr R

WS 100 yr R

Ground

Bank Sta

.05 .035 .05

0 20 40 60 80 100 120 14040

42

44

46

48

50

52

54

CardinalDSV3september8th2014 Plan: Cardinal DS V3 9/8/2014

River = Cardinal Creek Reach = Reach 1 RS = 1599

Station (m)

Ele

vatio

n (m

)

Legend

EG 100 yr R

WS 100 yr R

Ground

Bank Sta

.05 .035 .05

0 20 40 60 80 10040

42

44

46

48

50

52

54

CardinalDSV3september8th2014 Plan: Cardinal DS V3 9/8/2014

River = Cardinal Creek Reach = Reach 1 RS = 1701

Station (m)

Ele

vatio

n (m

)

Legend

EG 100 yr R

WS 100 yr R

Ground

Bank Sta

.05 .035 .05

0 20 40 60 80 100 120 14040

42

44

46

48

50

52

54

CardinalDSV3september8th2014 Plan: Cardinal DS V3 9/8/2014

River = Cardinal Creek Reach = Reach 1 RS = 1843

Station (m)

Ele

vatio

n (m

)

Legend

EG 100 yr R

WS 100 yr R

Ground

Bank Sta

.05 .035

.05

0 20 40 60 80 100 12040

42

44

46

48

50

52

54

CardinalDSV3september8th2014 Plan: Cardinal DS V3 9/8/2014

River = Cardinal Creek Reach = Reach 1 RS = 1970

Station (m)

Ele

vatio

n (m

)

Legend

EG 100 yr R

WS 100 yr R

Ground

Bank Sta

.05 .035

.05

0 20 40 60 80 100 120 140 16040

42

44

46

48

50

52

54

CardinalDSV3september8th2014 Plan: Cardinal DS V3 9/8/2014

River = Cardinal Creek Reach = Reach 1 RS = 2070

Station (m)

Ele

vatio

n (m

)

Legend

EG 100 yr R

WS 100 yr R

Ground

Bank Sta

.05 .035

.05

0 20 40 60 80 100 120 14040

42

44

46

48

50

52

54

CardinalDSV3september8th2014 Plan: Cardinal DS V3 9/8/2014

River = Cardinal Creek Reach = Reach 1 RS = 2131

Station (m)

Ele

vatio

n (m

)

Legend

EG 100 yr R

WS 100 yr R

Ground

Ineff

Bank Sta

.05 .035 .05

0 20 40 60 80 100 120 14040

42

44

46

48

50

52

54

CardinalDSV3september8th2014 Plan: Cardinal DS V3 9/8/2014

River = Cardinal Creek Reach = Reach 1 RS = 2140 Culv Rock Structure

Station (m)

Ele

vatio

n (m

)

Legend

EG 100 yr R

WS 100 yr R

Crit 100 yr R

Ground

Ineff

Bank Sta

.05 .035 .05

0 20 40 60 80 100 120 140 16040

42

44

46

48

50

52

54

56

CardinalDSV3september8th2014 Plan: Cardinal DS V3 9/8/2014

River = Cardinal Creek Reach = Reach 1 RS = 2140 Culv Rock Structure

Station (m)

Ele

vatio

n (m

)

Legend

EG 100 yr R

WS 100 yr R

Crit 100 yr R

Ground

Ineff

Bank Sta

.05 .035

.05

0 20 40 60 80 100 120 140 16040

42

44

46

48

50

52

54

56

CardinalDSV3september8th2014 Plan: Cardinal DS V3 9/8/2014

River = Cardinal Creek Reach = Reach 1 RS = 2164

Station (m)

Ele

vatio

n (m

)

Legend

EG 100 yr R

WS 100 yr R

Crit 100 yr R

Ground

Ineff

Bank Sta

.05 .035

.05

0 20 40 60 80 100 120 14040

42

44

46

48

50

52

54

CardinalDSV3september8th2014 Plan: Cardinal DS V3 9/8/2014

River = Cardinal Creek Reach = Reach 1 RS = 2226

Station (m)

Ele

vatio

n (m

)

Legend

EG 100 yr R

WS 100 yr R

Ground

Bank Sta

.05 .035

.05

0 20 40 60 80 100 120 14040

42

44

46

48

50

52

54

56

CardinalDSV3september8th2014 Plan: Cardinal DS V3 9/8/2014

River = Cardinal Creek Reach = Reach 1 RS = 2281

Station (m)

Ele

vatio

n (m

)

Legend

EG 100 yr R

WS 100 yr R

Ground

Bank Sta

.05 .035

.05

0 20 40 60 80 100 120 14042

44

46

48

50

52

54

CardinalDSV3september8th2014 Plan: Cardinal DS V3 9/8/2014

River = Cardinal Creek Reach = Reach 1 RS = 2369

Station (m)

Ele

vatio

n (m

)

Legend

EG 100 yr R

WS 100 yr R

Ground

Bank Sta

.05 .035

.05

0 20 40 60 80 100 120 140 16042

44

46

48

50

52

54

56

CardinalDSV3september8th2014 Plan: Cardinal DS V3 9/8/2014

River = Cardinal Creek Reach = Reach 1 RS = 2511

Station (m)

Ele

vatio

n (m

)

Legend

EG 100 yr R

WS 100 yr R

Ground

Bank Sta

.05 .035

.05

0 20 40 60 80 100 12042

44

46

48

50

52

54

CardinalDSV3september8th2014 Plan: Cardinal DS V3 9/8/2014

River = Cardinal Creek Reach = Reach 1 RS = 2672

Station (m)

Ele

vatio

n (m

)

Legend

EG 100 yr R

WS 100 yr R

Ground

Bank Sta

.05 .035

.05

0 50 100 150 200 25042

44

46

48

50

52

54

56

58

60

CardinalDSV3september8th2014 Plan: Cardinal DS V3 9/8/2014

River = Cardinal Creek Reach = Reach 1 RS = 2751

Station (m)

Ele

vatio

n (m

)

Legend

EG 100 yr R

WS 100 yr R

Ground

Bank Sta

.05 .035

.05

0 50 100 150 20044

46

48

50

52

54

56

58

60

CardinalDSV3september8th2014 Plan: Cardinal DS V3 9/8/2014

River = Cardinal Creek Reach = Reach 1 RS = 2876

Station (m)

Ele

vatio

n (m

)

Legend

EG 100 yr R

WS 100 yr R

Ground

Bank Sta

.05 .035

.05

0 20 40 60 80 100 120 140 160 18046

48

50

52

54

56

58

60

62

CardinalDSV3september8th2014 Plan: Cardinal DS V3 9/8/2014

River = Cardinal Creek Reach = Reach 1 RS = 2940

Station (m)

Ele

vatio

n (m

)

Legend

EG 100 yr R

WS 100 yr R

Crit 100 yr R

Ground

Bank Sta

.05 .035

.05

0 20 40 60 80 100 12050

52

54

56

58

60

62

64

CardinalDSV3september8th2014 Plan: Cardinal DS V3 9/8/2014

River = Cardinal Creek Reach = Reach 1 RS = 3011

Station (m)

Ele

vatio

n (m

)

Legend

EG 100 yr R

WS 100 yr R

Crit 100 yr R

Ground

Bank Sta

.05 .035

.05

0 20 40 60 80 100 12050

52

54

56

58

60

62

CardinalDSV3september8th2014 Plan: Cardinal DS V3 9/8/2014

River = Cardinal Creek Reach = Reach 1 RS = 3105

Station (m)

Ele

vatio

n (m

)

Legend

EG 100 yr R

WS 100 yr R

Ground

Bank Sta

.05 .035

.05

0 20 40 60 80 100 120 14050

52

54

56

58

60

62

CardinalDSV3september8th2014 Plan: Cardinal DS V3 9/8/2014

River = Cardinal Creek Reach = Reach 1 RS = 3194

Station (m)

Ele

vatio

n (m

)

Legend

EG 100 yr R

WS 100 yr R

Ground

Bank Sta

.05 .035

.05

0 20 40 60 80 100 12050

52

54

56

58

60

62

CardinalDSV3september8th2014 Plan: Cardinal DS V3 9/8/2014

River = Cardinal Creek Reach = Reach 1 RS = 3293

Station (m)

Ele

vatio

n (m

)

Legend

EG 100 yr R

WS 100 yr R

Ground

Bank Sta

.05 .035

.05

0 20 40 60 80 100 120 14048

50

52

54

56

58

60

62

64

CardinalDSV3september8th2014 Plan: Cardinal DS V3 9/8/2014

River = Cardinal Creek Reach = Reach 1 RS = 3336

Station (m)

Ele

vatio

n (m

)

Legend

EG 100 yr R

WS 100 yr R

Ground

Ineff

Bank Sta

.05 .035 .05

0 20 40 60 80 100 120 14048

50

52

54

56

58

60

62

64

CardinalDSV3september8th2014 Plan: Cardinal DS V3 9/8/2014

River = Cardinal Creek Reach = Reach 1 RS = 3350 Culv Old Montreal rd

Station (m)

Ele

vatio

n (m

)

Legend

EG 100 yr R

WS 100 yr R

Crit 100 yr R

Ground

Ineff

Bank Sta

.05 .035 .05

0 20 40 60 80 100 120 14048

50

52

54

56

58

60

62

64

66

CardinalDSV3september8th2014 Plan: Cardinal DS V3 9/8/2014

River = Cardinal Creek Reach = Reach 1 RS = 3350 Culv Old Montreal rd

Station (m)

Ele

vatio

n (m

)

Legend

EG 100 yr R

WS 100 yr R

Crit 100 yr R

Ground

Ineff

Bank Sta

.05 .035 .05

0 20 40 60 80 100 120 14048

50

52

54

56

58

60

62

64

66

CardinalDSV3september8th2014 Plan: Cardinal DS V3 9/8/2014

River = Cardinal Creek Reach = Reach 1 RS = 3379

Station (m)

Ele

vatio

n (m

)

Legend

EG 100 yr R

WS 100 yr R

Crit 100 yr R

Ground

Ineff

Bank Sta

.05 .035 .05

0 20 40 60 80 100 120 14050

52

54

56

58

60

62

64

66

CardinalDSV3september8th2014 Plan: Cardinal DS V3 9/8/2014

River = Cardinal Creek Reach = Reach 1 RS = 3460

Station (m)

Ele

vatio

n (m

)

Legend

EG 100 yr R

WS 100 yr R

Ground

Bank Sta

.05 .035

.05

0 20 40 60 80 100 120 14052

54

56

58

60

62

64

66

CardinalDSV3september8th2014 Plan: Cardinal DS V3 9/8/2014

River = Cardinal Creek Reach = Reach 1 RS = 3535

Station (m)

Ele

vatio

n (m

)

Legend

EG 100 yr R

WS 100 yr R

Ground

Bank Sta

.05 .035 .05

0 20 40 60 8052

54

56

58

60

62

64

66

CardinalDSV3september8th2014 Plan: Cardinal DS V3 9/8/2014

River = Cardinal Creek Reach = Reach 1 RS = 3604

Station (m)

Ele

vatio

n (m

)

Legend

EG 100 yr R

WS 100 yr R

Crit 100 yr R

Ground

Bank Sta

.05 .035 .05

0 10 20 30 40 50 60 7052

54

56

58

60

62

64

66

CardinalDSV3september8th2014 Plan: Cardinal DS V3 9/8/2014

River = Cardinal Creek Reach = Reach 1 RS = 3713

Station (m)

Ele

vatio

n (m

)

Legend

EG 100 yr R

WS 100 yr R

Crit 100 yr R

Ground

Bank Sta

.05 .035 .05

0 10 20 30 40 50 60 70 8054

56

58

60

62

64

66

CardinalDSV3september8th2014 Plan: Cardinal DS V3 9/8/2014

River = Cardinal Creek Reach = Reach 1 RS = 3795

Station (m)

Ele

vatio

n (m

)

Legend

EG 100 yr R

WS 100 yr R

Ground

Bank Sta

.05 .035 .05

0 20 40 60 80 100 12054

56

58

60

62

64

66

68

CardinalDSV3september8th2014 Plan: Cardinal DS V3 9/8/2014

River = Cardinal Creek Reach = Reach 1 RS = 3931

Station (m)

Ele

vatio

n (m

)

Legend

EG 100 yr R

WS 100 yr R

Ground

Bank Sta

.05 .035 .05

0 20 40 60 80 100 12054

56

58

60

62

64

66

68

70

CardinalDSV3september8th2014 Plan: Cardinal DS V3 9/8/2014

River = Cardinal Creek Reach = Reach 1 RS = 4133

Station (m)

Ele

vatio

n (m

)

Legend

EG 100 yr R

WS 100 yr R

Ground

Bank Sta

.05 .035 .05

0 20 40 60 80 100 12054

56

58

60

62

64

66

68

70

CardinalDSV3september8th2014 Plan: Cardinal DS V3 9/8/2014

River = Cardinal Creek Reach = Reach 1 RS = 4230

Station (m)

Ele

vatio

n (m

)

Legend

EG 100 yr R

WS 100 yr R

Ground

Bank Sta

.05 .035

.05

0 20 40 60 80 100 12060

62

64

66

68

70

72

74

76

78

CardinalDSV3september8th2014 Plan: Cardinal DS V3 9/8/2014

River = Cardinal Creek Reach = Reach 1 RS = 4281

Station (m)

Ele

vatio

n (m

)

Legend

EG 100 yr R

WS 100 yr R

Crit 100 yr R

Ground

Bank Sta

.05 .035

.05

0 20 40 60 80 10064

66

68

70

72

74

76

78

80

CardinalDSV3september8th2014 Plan: Cardinal DS V3 9/8/2014

River = Cardinal Creek Reach = Reach 1 RS = 4329

Station (m)

Ele

vatio

n (m

)

Legend

EG 100 yr R

WS 100 yr R

Ground

Bank Sta

.05 .035 .05

0 20 40 60 80 100 12064

66

68

70

72

74

76

78

80

82

CardinalDSV3september8th2014 Plan: Cardinal DS V3 9/8/2014

River = Cardinal Creek Reach = Reach 1 RS = 4399

Station (m)

Ele

vatio

n (m

)

Legend

EG 100 yr R

WS 100 yr R

Ground

Bank Sta

.05 .035

.05

0 10 20 30 40 50 60 7068

70

72

74

76

78

80

82

84

86

CardinalDSV3september8th2014 Plan: Cardinal DS V3 9/8/2014

River = Cardinal Creek Reach = Reach 1 RS = 4465

Station (m)

Ele

vatio

n (m

)

Legend

EG 100 yr R

WS 100 yr R

Crit 100 yr R

Ground

Bank Sta

.05 .035 .05

0 5 10 15 20 25 30 3576

78

80

82

84

86

CardinalDSV3september8th2014 Plan: Cardinal DS V3 9/8/2014

River = Cardinal Creek Reach = Reach 1 RS = 4533

Station (m)

Ele

vatio

n (m

)

Legend

EG 100 yr R

WS 100 yr R

Crit 100 yr R

Ground

Bank Sta

.05 .035 .05

0 10 20 30 40 5078

79

80

81

82

83

84

CardinalDSV3september8th2014 Plan: Cardinal DS V3 9/8/2014

River = Cardinal Creek Reach = Reach 1 RS = 4578

Station (m)

Ele

vatio

n (m

)

Legend

EG 100 yr R

WS 100 yr R

Crit 100 yr R

Ground

Bank Sta

.05 .035 .05

Appendix C

Structures and Road Crossings

Innes Road

Frank Kenny Road

Upstream

Upstream

Downstream

Downstream

Cardinal Creek at O’toole Road

Garvock Drain at O’toole road

Upstream

Upstream

Downstream

Downstream

Old Montreal road

Utility Corridor

Upstream Downstream

Upstream Downstream

Regional road 174

Upstream Downstream